SPORTS ART INDUSTRIAL CO

SPORTS ART INDUSTRIAL CO
E821/E825/E830 Elliptical Trainer Repair Manual
SPORTS ART INDUSTRIAL CO., LTD.
ȜRepair Manual Table of Contentsȝ
1. Product Component Placement Illustrations
1-1-1. E821 Product Illustration
1-1-2. E825 Product Illustration
1-1-3. E830 Product Illustration
1-1-4. E821/E825/E830 Components - (1) Display Area
1-1-5. E821/E825/E830 Components - (2) Back Area Components
1-1-6. E821/E825/E830 Component Placement Illustrations – Display Area
1-1-7. E821/E825/E830 Component Placement Illustrations – Display Board Back
1-1-8. Electronic Component Illustrations – Drive Board
1-1-9. Electronic Component Illustrations - Other
2. Introduction
2-1-1. E821/E825/E830 Specifications
2-1-2. E821/E825/E830 Display Functions
2-1-3. E821/E825/E830 Display Functions (Indicator LEDs)
2-1-4. E821/E825/E830 Display Functions (Keys)
3. Operation
3-1-1. E821/E825/E830 Display Operation
ȜRepair Manual Table of Contentsȝ!
!
4. Unit Block Diagrams
4-1. E821/E825/E830 Display Board Cable Connection Block Diagram
4-2. E821/E825/E830 Drive Board Cable Connection Block Diagram
5. Cable Connection Illustrations
5-1-1. E821/E825/E830 Display Board Wire Connections
5-1-2. E821/E825/E830 Display Board Component Placement
5-1-3. E821/E825/E830 Display Indicator LEDs
5-1-4. E821/E825/E830 Display Cable Connections
5-2-1. E821/E825/E830 Drive Board Operation Flow Chart
5-2-2. E821/E825/E830 Drive Board Indictor LED Placement and Definitions
5-2-3. E821/E825/E830 Drive Board Indicator LED Placement and Definitions
5-2-4. E821/E825/E830 Drive Board Wire Connection Placement and Definitions
ȜRepair Manual Table of Contentsȝ
6. Error Messages
6-1. ERR7
6-2. Unit Does Not Turn On
6-3. Key Malfunction
6-4. Telemetry Heart Rate Malfunction
6-5. HTR Heart Rate Malfunction
6-6. Resistance Malfunction
6-7. No Stride Operation
7. Electronic Component Testing
7-1. Optic Sensor Test
7-2. Transformer Electrical Short/Open Test
7-3. Stride Motor Voltage Test at Drive Board
7-4. VCC Voltage Test at Drive Board
7-5. VDD Voltage Test at Drive Board
7-6. Electro-Magnet Voltage Test at Drive Board
7-7. Display Key Switch Test
7-8. Display VBB Voltage Test
7-9. Display VCC Voltage Test
7-10. Display LED Voltage Test
7-11. Telemetry Heart Rate Reading Test
7-12. HTR Board Test
ȜRepair Manual Table of Contentsȝ
7-13. HTR Heart Rate Handlebar Test
7-14. Transformer Short/Open Test
7-15. Electro-Magnet Short/Open Test
8. Mechanical Adjustments and Part Replacement
8-1. E821/E825/E830 Procedure to Remove Rear Covers
1.E821 Elliptical Trainer Unit Picture
1-1-1
2.E825 Elliptical Trainer Unit Picture
1-1-2
3.E830 Elliptical Trainer Unit Picture
1-1-3
4.E821/E825/E830 Components ɡ (1) Display Area
Display
LEVEL Key
(Not on E821)
STRIDE key
(Not on E821)
HTR Contact
(Left)
(Not on E821)
HTR contact
(Right)
(Not on E821)
Stride Adjustment Motor
1-1-4
5.E821/E825/E830 Componentsɡ(2) Back Area Components
Transformer
Optic Sensor
Drive Board
Electro-magnet
1-1-5
3.E821/E825/E830 Components – Display Board (Front)
1-1-6
3.E821/E825/E830 E870 Components – Display Board (Back)
1-1-7
3.E821/R825/R830 Components – Drive Board
1-1-8
3.E821/E825/E830 Components - Others
Part Name
Optic Sensor
Part Name
HTR Board
Part Name
HRC Board
Part Name
Transformer
1-1-9
1.E821/E825/E830 Specification Chart
Specification
Power
! ! ! Contents
E821
E825
AC 110V/220V
E830
1.HRC window: 65%, 80%, Heartrate
Main Window
2.Workout level, Calories , Time , Stride Length ,
3.Distance, Cal/HR, Strides/MIN, Total Strides
Illustration Window
5X8 Bi-color LED dot matrix 16 set
1 set of four 8-character seven segment character
Setting Window
displays
Resistance
1~20
STRIDE LENGTH
17~26inch/450~650mm
17~29inch/450~730mm
Telemetry
HTR (contact) and telemetry (wireless)
Heart Rate Detection (wireless) heart heart rate reception
rate reception
KPH/MPH Setting
Determined by the IC program
Workout Programs
Track Glute, Random , Interval, Vari-Stride
WT Loss, Cardio, Zone Trainer
2-1-1
Notes
2.E821/E825/E830 Introduction – Display Windows
65% Target HR
ÎWeight loss target
heart rate
Heart Rate Window
ÎActual heart rate
80% Target HR
Î Cardio training target
heart rate
Stride Length &Total Strides
Window
Î Stride Length: Stride length
ÎTotal StridesǺTotal stride
count
Dot Matrix Window
ÎExercise illustrations
Workout Level & Distance Window
Î Workout LevelǺResistance level
ÎDistanceǺTotal distance
Time & Stride/Min Window
ÎTimeǺTime of use
Î Stride/MinǺaverage strides
per minute
Calories & Cal/HR Window
ÎCaloriesǺTotal calories
ÎCal/HRǺAverage calorie
expenditure
(
2-1-2
3. E821/E825/E830 Introduction – Display Keys and Indicators
Flashing indicates
heart rate reception
Exercise Program Keys
Î Lit indicates!
Usbdl-Hmvuf-Sboepn-!
Joufswbm-WBSJ.TUSJEF!!
Wbsj.Tusjef-!
XU!Mptt-Dbsejp-!
[POF!USBJOFS ኳԄ!
2-1-3
4.E821/E825/E830 Introduction – Display Keys (Continued)
Quick Start Key
ÎPress to operate in Quick Start
mode (does not require user
ၮ୏Ҟ኱ࡪᗖ
Îᒧ᏷ၮ୏Ҟ኱
Exercise Program Keys
ÎPress to select
exercise!
Usbdl-Hmvuf-Sboepn-!
Joufswbm-WBSJ.TUSJEF!!
Wbsj.Tusjef-!
XU!Mptt-Dbsejp-!
Workout Level Key
ÎPress to increase or
decrease resistance
Display Lock/Unlock Key and
Indicator
ÎPress to select active feedback
row
Stride Length Key
ÎPress to increase or
decrease stride length
Stop/Hold to Reset Key
ÎPress to pause or exit
present exercise mode
2-1-4
E821/E825/E830 Operation
1. Start Up
Function: Turn and start operating unit.
Operation: (1) Turn on unit. Display shows “SPORTSART – E8XX”.
After 6 seconds, “PRESS START” scrolls across the display.
Press the QUICK START key to directly begin exercising, or press the PROGRAM key
to establish user settings.
(2) The PROGRAM indicator flashes.
After a program key is pressed, the associated LED lights. The feedback window shows
characters 2 seconds. Press the <RANDOM> key. The RANDOM LED lights. The feedback window shows “RANDOM”.
(3) Age and Weight Setting
When the screen shows “ENTER AGE”, enter age value, then press the <ENTER> key to confirm your choice.
When the display shows “ENTER WEIGHT-KG”OR”LB“, enter your weight value, then press the <ENTER> key to
confirm your choice.
(4) The unit can now be operated.
3-1-1
2. Workout Level Key
Function: Set resistance level
Operation: (1) Press the LEVEL <> key. The value in the Workout Level window increases.
Actual resistance increases.
(2) Press LEVEL <> key. The value in the Workout Level window decreases.
Actual resistance decreases.
(3) Workout level range: 1~20.
3. Stride Length Key
Function: Set stride length
Operation: (1) Press the Stride Length <> key. The value in the Stride Length window increases.
The stride motor operates up. Stride length increases.
(2) Press the Stride Length <> key. The value in the Stride Length window decreases.
The stride motor operates down. Stride length decreases.
(3) Stride length range: E821/E825 KPH setting: 450-650 mm; MPH setting: 17~26 inches.
E830
KPH setting: 450-730 mm; MPH setting: 17~29 inches.
4. Stop Key
Function: Exit an exercise program
Operation: (1) In exercise mode, press theɦSTOPɧkey to exit the exercise program and return to user setup.
(2) At any time, press theɦSTOPɧkey for two seconds to leave the present mode and return to the
start up screen.
3-1-2
5. Display Lock/Unlock Key
Function: Toggle between two rows of exercise feedback information
Operation: (1) Press the <Display Lock/Unlock> key during exercise to toggle between exercise feedback views.
Corresponding indicators light. Top row: calories, distance, time, strides/minute. Bottom row:
Cal/hr, stride length, Watts, total strides.
(2) In scan mode (the SCAN indicator lights); the display view toggles between the two rows of
feedback every six seconds. In scan mode, press the <Display Lock/Unlock> key again to cancel
scan mode (the SCAN indicator extinguishes) and keep viewing the present row of feedback.
Press the <Display Lock/Unlock> key again to return to scan mode.
6. Program Key
Function: Set an exercise program.
Operation: (1) Press any exercise PROGRAM key. The corresponding indicator lights.
(2) Program keys include TRACKǵGLUTEǵRANDOMǵINTERVALǵVARI-STRIDEǵ weight loss heart
rate control, cardio heart rate control, and custom heart rate control.
3-1-3
7. Basic Settings
Function: (1) KM/MILE setting, total distance, time, display and drive board versions.
Operation: (1) Press and hold the <ENTER> key for three seconds to enter the setting mode.
Unit settings appear. American standard appears as “UNIT - ML”. Metric standard appears as ”UNIT - KM”.
Press the ɦ/ɧ keys to toggle between settings. Press theɦENTERɧkey or press the <STOP> key to exit this
setting.
(2) Press the <ENTER> key to confirm your choice and view total time of operation: “TIME – XXXXXX HOUR”.
(3) Press the <ENTER> key to proceed to the next step and view total mileage. In the American standard setting,
“DIST – XXX ML” appears. In the metric setting, ”DIST – XXXX KM” appears. Pressɦ/ɧkeys to toggle between
the two settings.
(4) Press the <ENTER> key to confirm your choice and proceed to the USER setting. The feedback window shows
“PRESS UP/DN TO ACTIVATE OR DEACTIVATE 4 USER SETTING”. Press theɦ/ɧkeys to toggle between
the following: “USER ID - ON” (allows 4 user settings); “USER ID - OFF” (deactivates user settings).
(5) Press the <ENTER> key to proceed to see the display version. The feedback window shows “E8XXH-XX”.
(6) Press the <ENTER> key to complete settings and return to the start up screen.
3-1-4
8. Stride Motor Lubrication Procedure
Function: (1) Lubricate the stride motor.
Operation: (1) As “SPORTSART-E8XX” scrolls across the display, simultaneously press and hold
<STRIDE LENGTH>+<STRIDE LENGTH>+<INTERVAL> keys for three seconds to enter
the lubrication procedure.! ! ! ! ! !
(2) Upon entering the lubrication mode, the stride motor immediately operates, aligning itself with the
oil hole. “FILLING WITH LUBRICANT” scrolls across the display. Prior to entering the
lubrication mode, the stride adjustment arm appears as shown in Fig. 1. After the stride motors
move to the lubrication position, the stride adjustment arm appears as shown in Fig. 2.
(3) Insert a grease gun onto the Zirc fitting in the product. Squeeze the grease gun two to three
times. After applying lubricant, press the <STOP> key to exit the lubrication mode and return to
the start up screen.
Fig. 1. Normal stride motor operation position
Fig. 2. Lubrication mode stride motor position
Zirc fitting
3-1-5
1. E821/E825/E830 Display Board Cable Connection Block Diagram
Telemetry
Transmitter
Resistance/
Stride Keys
Display Board
Stride Motor VR
(Left/Right)
(E825/
E830)
HTR
Board
HTR Contact
(Left, Right)
(E825/
E830)
Drive Board
4-1-1
2. E821/E825/E830 Drive Board Cable Connection Block Diagram
Display Board
Power
Cord
FUSE
On/Off
Switch
Electro-Magnet
Drive Board
Optic Sensor
Transformer
Left Stride
Motor
4-1-2
Right Stride
Motor
1. E821/E825/E830 Display Board Wire Connections
Resistance/
Stride Keypad
POLAR
Display Board
Stride VR (Left/
Right)
(E825/
E830)
HTR Board
HTR Grip (Left/
Right)
(E825/
E830)
Drive Board
5-1-1
2. E821/E825/E830 Display Board Component Placement
5-1-2
3. E821/E825/E830 Display Indicator LEDs
LED2 5 VDC Indicator
ÎLit = 5 VDC
LED1 POWER Indicator
ÎLit = Power Voltage
LED27 NC Indicator
ÎNot lit = Program
Malfunction
5-1-3
4. E821/E825/E830 Display Cable Connections
CON1
ÎTo drive board
CON3
ÎTo HRC board
CON5
Î To stride VR (L&R)
CON4
ÎTo resistance & stride
keys
CON2
Î To HTR board
5-1-4
1. E821/E825/E830 Drive Board Operation Flow Chart
Display Board
Power
Cord
FUSE
On/Off
Switch
Electro-magnet
Drive Board
Optic Sensor
Transformer
Left Stride
Motor
5-1-1
Right Stride
Motor
2. E821/E825/E830 Drive Board Indictor LED Placement and Definitions
LED2 MOTOR Indicator
ÎLit = emitting voltage to
stride motor
LED12 CLK Indicator
ÎFlashing = optic sensor signal
LED11 INCL_L_DN Indicator
(GREEN)
ÎLit = emitting voltage for stride
motor to go down
LED1 VDD Indicator
ÎLit = emitting voltage to
electro-magnet
LED7 VCC Indicator
ÎLit = power source
voltage
5-2-2
LED9 INCL_L_UP Indicator (RED)
ÎLit = emitting voltage for stride
motor to go up
3. E821/E825/E830 Drive Board Indicator LED Placement and Definitions
LED11 INCL_R_DN Indicator (GREEN)
ÎLit = emitting voltage for stride motor to
go down
LED9 INCL_R_UP Indicator (RED)
ÎLit = emitting voltage for stride
motor to go up
LED6 PWR_DN_L Indicator
ÎExtinguishing = turning off stride motor voltage
LED5 PWR_DN_R Indicator
ÎExtinguishing = turning off stride motor
voltage
LED3 OVER_R Indicator
ÎExtinguishing = right stride motor over current signal
5-2-3
LED4 OVER_L Indicator
ÎExtinguishing = left stride motor
over current signal
4. E821/E825/E830 Drive Board Wire Connection Placement and Definitions
CN3
ÎTo transformer
CN2
ÎTo on/off switch
CN4
ÎTo left/right stride
CN3
ÎTo electro-magnet and optic sensor
5-2-4
CN5
ÎTo display board
E821/E825/E830 Error Message: ERR 7
1. Definition: (1) The display CPU has not read the STRIDE VR1, VR2 voltage value.
! (2) Stride motor VR1, VR2 voltage exceeds the range of 0.5 to 4.5 VDC.
2. Block Diagram
C O N
5
D is p la y
16-PIN
7 P IN
S t r id e
S ig n a l
S tr id e
V R
(L e ft)
S tr id e
V R
( R ig h t )
L E D 8
IN C _ L _ U P
L E D 1 0
IN C _ L _ D N
D r iv e B o a r d
L E D 9
IN C _ R _ U P
L E D 1 1
IN C _ R _ D N
S tr id e
V o lta g e
S T R ID E
M o to r
(L e ft)
6-1-1
8 -P IN
S T R ID E
M o to r
( R ig h t )
3. Operation
Order
Part
Explanation
1
Left/Right Stride Motor 1. STRIDE motor operates up or down.
2
8-PIN Cable
1. Voltage travels via the cable to the stride motor.
3
Drive Board
1. Provides 22 VDC to the stride motors.
4
16-PIN Cable
1. STRIDE setting travels the cable to the drive board.
2. Drive board M1_P, M2_P (VR) travels to the display board.
5
Left/Right Stride VR
1. STRIDE motor movement changes the VR signal.
6
7-PIN Cable
1. VR signal travels the cable to the display board.
7
Display Board
1. After turning on the unit, display CPU reads the stride VR M1_P, M2_P value.
2. If the VR value is not read, ”ERR7” appears for two seconds.
4 Troubleshooting
Press the Quick Start key or start exercising,
(1) If the right stride motor VR signal is not read or exceeds the range, “ERR-7, PLEASE
CHECK STRIDE 1” appears.
(2) If the left stride motor VR signal is not read or exceeds the range, “ERR-7, PLEASE
CHECK STRIDE 2” appears.
(3) If both stride motor VR signals are not read or exceed range, “ERR-7, PLEASE
CHECK STRIDE 1&2” appears.
6-1-2
5. Troubleshooting
Order
Part
Troubleshooting
1. When drive board LED8, LED10 lights but the left stride motor does not operate,
inspect the left stride motor. When drive board LED9, LED11 lights and the right
stride motor does not operate, inspect the right stride motor.
2. If not as above, inspect the VR cables for an electrical short or open.
3. Replace the stride motor as a test.
1
Left/Right Stride
Motor
2
8-PIN Cable
1. Inspect whether the cable is connected properly.
3
Drive Board
1. Inspect drive board CN4, CN5 cable connection.
2. Replace the drive board as a test.
4
16-PIN Cable
5
Left/Right Stride
Motor VRs
6
7-PIN Cable
7
Display Board
1. Inspect the cable connection.
1. Inspect the VR cable connection.
2. Inspect whether VR1 or VR2 voltage is within the range of 0.6-4.45 VDC.
3. Replace the stride VR as a test.
1. The VR signal travels the cable to the drive board.
1. Inspect display board CON1, CN5 cable connections.
2. Inspect whether display board U4 program IC is inserted properly. Replace as a test.
3. Replace the display as a test.
6-1-3
E821/E825/E830 Error Message: Unit Does Not Turn On
1. Circumstance of Malfunction: 1. Turn on unit on/off switch. Display does not beep.
Display shows no reaction.
2. Block Diagram
Power Cord
13-PIN
Display Board
FUSE
On/Off Switch
CN2
Drive Board
Voltage
Transformer
6-2-1
3. Operation
Step
Part
1
Power Cord
2
Fuse and Fuse
Holder
3
On/Off Switch
Explanation
1. The power cord provides power from the wall outlet.
1. The fuse protects the drive board. When current is too high, the fuse burns,
making an electrical open. Unit operation ends.
1. When the on/off switch is pressed to “0”, the drive board receives no power and
cannot operate.
2. When the on/off switch is pressed to “1”, power is provided via AC1, AC2 to the
drive board.
4
Transformer
1. The transformer provides power to components on the drive board.
5
Drive Board
1. After stabilizing power from the transformer, the drive board provides VBB and
VCC power.
6
13-PIN Cable
1. Drive board VBB voltage travels to the display board.
7
Display Board
1. VBB voltage is stabilized to become VCC voltage.
2. Once the display has VCC voltage, the display operates.
6-2-2
4. Troubleshooting
Order
1
Part
Power Cord Plug 1. Inspect whether the power cord is plugged in properly.
2
Fuse and Fuse
Holder
3
On/Off Switch
4
5
6
7
8
Troubleshooting
1. Inspect the fuse holder wire connections.
2. Inspect the householder spring connection.
3. Inspect the fuse.
1. When the on/off switch is set to “1”, does it light?
2. If not, inspect the cord and EMI filter wire connections.
3. Replace the on/off switch.
Power Cord Wire
1. Inspect power cord wire connections.
Connections
1. Inspect the transformer wire connections.
Transformer
2. Inspect the transformer output voltage.
1. Inspect whether drive board LED2, LED7 indicators light.
Drive Board
2. If not, inspect CON2 cable connections.
3. Inspect transformer CON1 connections.
13-PIN Cable
1. Inspect the cable and its connections.
Display Board
1. Inspect CON1 cable connections.
2. Inspect whether indicator LED1 lights. If not, U2 SK8051S is malfunctioning.
2. Inspect whether indicator LED2 lights. If not, U3 SK8051S is malfunctioning.
3. If LED1 lights, re-insert U6 program IC.
6-2-3
E821/E825/E830 Error Message: Key Does Not Operate
1. Malfunction: (1) Turn on unit. Do not press any keys. Keys operate as if they had been pressed.
(2) Press keys. Keys do not operate. There’s no reaction whatsoever.
2. Block Diagram
D isplay Board
PB
PB
P
B
P
B
PB
PB
PB
PB
PB
PB
PB
PB
PB
PB
PB
PB
6-3-1
PB
PB
3. Operation
Order
Part
1
Explanation
1. Display CPU reads the key signal.
Display Board 2. Display operates.
4. Troubleshooting
Step
Troubleshooting
Part
1. Inspect the key function of every PB point.
1
Display Board 2. Replace the display as a test.
6-3-2
E821/E825/E830 Error Message: Telemetry Heart Rate Malfunction
1. Circumstance of Malfunction: (1) No heart rate appears.
(2) Heart rate value differs from actual heart rate.
2. Block Diagram
Display
Board
4-PIN
Telemetry
Receiver Board
CON2
6-4-1
Telemetry
Wireless HR
Transmitter
3. Operation
Order
Part
Telemetry HR
1
Transmitter
Telemetry HR Receiver
2
Board
3
3-PIN Cable
4
Display Board
Operation
1. Telemetry receiver detects heart rate and transmits the heart rate signal to the
receiver board.
1. The telemetry receiver board receives the heart rate signal from the
transmitter.
1. 5 VDC travels from the display to the receiver board.
2. Telemetry heart rate signal travels from the receiver board to the display
board.
1. The CPU detects the heart rate signal.
2. Display shows heart rate value in the heart rate window.
4. Troubleshooting
Order
Part
1
2
3
4
Troubleshooting
1. Inspect whether the telemetry transmitter battery has less than 3 VDC.
Telemetry HR Transmitter
2. Replace the telemetry transmitter as a test.
1. Inspect placement of the telemetry receiver board.
Telemetry HR Receiver
2. Inspect whether component connections for cold or false solder.
Board
3. Replace the telemetry receiver board as a test.
1. Inspect the cable connection.
3-PIN Cable
Display Board
1. Inspect CON3 connection.
2. Inspect whether IC U4 on the display is connected properly.
3. Replace the display as a test.
6-4-2
E825/E830 Error Message: HTR Heart Rate Malfunction
1. Circumstance of Malfunction: (1) Place both hands on the HTR contact pads.
No heart rate value appears on the display.
(2) Do not touch HTR contact pads. Display shows heart rate
value.
2. Block Diagram
2-PIN
Heart Rate Signal
Display BoardCON2
4-PIN
HTR Board
5-PIN
2-PIN
6-5-1
HTR
Handlebar
(Right)
HTR
Handlebar
(Left)
3. Operation
Order
Part
1
HTR Handlebar
2
2-PIN Cable
1. Left/right handlebar HTR signals travel toward the display board.
3
5-PIN Cable
1. 2-pin cables connect to the 5-pin cable, which connects to the HTR board.
4
HTR Board
1. The HTR board reads signals from the HTR contacts.
2. The HTR board transmits HR signals to the display board.
5
4-PIN Cable
1.
2.
6
Display Board
Explanation
1. HTR handlebar contact pads detect the human heart rate.
The HTR board signals travel to the display.
VCC power t ravels from the display to the HTR board.
1. Display board shows heart rate value.
6-5-2
4. Troubleshooting
Order
1
Part
Troubleshooting
1. Clean HTR contact pads on the handlebars.
HTR Handlebars
2. Test HTR cables.
2
2-PIN Cable
1. Inspect cables and their connections.
3
5-PIN Cable
1. Inspect cables and their connections.
4
HTR Board
5
4-PIN Cable
6
Display Board
1. Inspect 4-pin cable connections from the HTR board to the
display board.
2. Replace the HTR board as a test.
1. Inspect the cables and its connections.
1. Inspect the display board CON2 cable connections.
2. Inspect the connection of U4 program IC on the display
board.
3. Replace the display board as a test.
6-5-3
E821/E825/E830 Error Message: Resistance Malfunction
1. Circumstance of Malfunction: (1) Turn on unit. Exercise. Press LEVEL / keys. Resistance is
too high or too low.
(2) Turn on unit. Resistance is too high. Pedals won’t move.
2. Block Diagram
13-PIN
Display Board
2-PIN
ElectroMagnet
3-PIN
Optic
Sensor
Dive Board
LED12_CLK
6-6-1
3. Operation
Order
Part
1
Explanation
1. In operation the electro-magnet produces magnetism,
Electro-magnet
causing resistance on the flywheel.
2
2-PIN Cable
1. The drive board provides voltage to the electro-magnet.
3
Optic Sensor
1. During use, the optic sensor produces a CLK signal.
4
3-PIN Cable
1. Power from the drive board travels to the optic sensor.
2. The optic sensor CLK signal travels to the drive board.
5
Drive Board
1. The drive board deciphers and processes the CLK signal.
6
7
1. The signal processed by the drive board travels to the
13-PIN Cable
display board.
2. The display LEVEL signal travels to the drive board.
1. The display sets the LEVEL value.
Display Board 2. The display compares the resistance signal from the drive
board to the level setting.
6-6-2
4. Troubleshooting
Order
Troubleshooting
Part
1. Inspect whether there is resistance during operation.
2. Inspect whether the electro-magnet is an electrical short or
1 Electro-magnet
open.
3. Replace the electro-magnet as a test.
2
2-PIN Cable 1. Inspect the cable and its connections.
1. Inspect whether the CLK indicator lights during operation.
3
Optic Sensor 2. Inspect the optic sensor cable and its connections.
3. Replace the optic sensor as a test.
4
5
6
7
3-PIN Cable 1. Inspect the cable and its connections.
1. Inspect drive board CN2, CN3 cable connections.
2. Inspect whether drive board F1 2A fuse is blown.
Drive Board 3. Inspect whether drive board U8 program IC is inserted
properly.
4. Replace the drive board as a test.
13-PIN Cable 1. Inspect the cable and its connections.
1. Inspect the display board CN1 cable connections.
Display Board 2. Inspect the display U2 program IC. Replace as a test.
3. Replace the display board as a test.
6-6-3
E821/E825/E830 Error Message: No Stride Operation
1. Circumstance of Malfunction: Press Stride/ key. Stride length on the display changes.
Stride length does not change.
2. Block Diagram
D is p la y B o a r d
13-PIN
C O N
5
S tr id e
S ig n a l
L E D 8
IN C _ L _ U P
L E D 1 0
IN C _ L _ D N
D r iv e B o a r d
L E D 9
IN C _ R _ U P
L E D 1 1
IN C _ R _ D N
In c lin e
V o lta g e
8 -P IN
S T R ID E
M o to r
(L e ft)
S T R ID E
M o to r
( R ig h t)
6-7-1
3. Operation
Order
Part
Explanation
Stride Motor 1. Stride motors operate up and down, changing the stride length.
1
(Left/Right) 2. Motor movement moves the VR, changing the VR output signal.
1. 22 VDC travels the cable to the incline motor.
2
8-PIN Cable
2. The VR signal travels to the drive board.
1. The drive board provides 22 VDC voltage to the stride motor.
3
Drive Board
2. The drive board transmits the VR signal to the display board.
4
13-PIN Cable 1. The VR command signal travels to the drive board.
5
1. After turning on the unit, the display CPU reads the VR signal.
2. If the display does not read the VR signal, “ERR7” appears two
Display Board
seconds.
3. The display determines VR command signal.
6-7-2
4. Troubleshooting
Order
Part
Troubleshooting
1. Inspect the cables and their connections.
Stride Motor 2. Inspect whether the drive board provides voltage the stride
1
motors after one presses stride keys.
(Left/Right)
3. Replace the stride motor as a test.
2
8-PIN Cable 1. Inspect the cable and its connections.
3
1. Inspect CN3, CN4, CN5 cables and their connections.
2.Inspect whether the drive board LED8(L_UP)ǵLED9(R_UP)ǵ
Drive Board
LED10(L_DN) ǵ LED11(R_DN) light after stride keys are
pressed.
3. Replace the drive board as a test.
4
13-PIN Cable 1. Inspect the cables and their connections.
5
1. Inspect display CN1 cable and its connections.
2. Inspect whether U4 program IC is inserted properly. Replace
Display Board
as a test.
3. Replace the display board as a test.
6-7-3
E821/E825/E830 Optic Sensor Test
1. Test Configuration
Fig. 2. Optic sensor wire test
Fig. 1. Optic sensor/optic sticker distance
Optic sensor sticker
Black
7~8 mm
Yellow
Infrared sensor
Red
Optic sensor
board
!
Optic sensor bracket screws are
in the middle of the bracket.
!
7-1-1
2. Test Configuration
(1) Optic sensor/optic sensor sticker distance test
Inspect the distance from the infrared optic sensor board to the optic sensor sticker.
Normal distance: 7-8̣̣. See illustration.
(2) Optic sensor signal test
Put voltmeter to the 20 VDC setting. Probes as shown. Operate unit. See Fig. 2 for normal
readings.
(3) If there is no optic sensor signal when unit is in use, the STEPS window shows “0”.
Fig. 2
Wires
Normal Voltage
Red-Black
5V (VCC)
Yellow-Black 2.0-3.0V(CLK)
3. Troubleshooting
(1) Inspect whether drive board is providing power to the optic sensor.
! ! ! (2) Replace the optic sensor as a test.
(3) Replace the drive board as a test.
7-1-2
E821/E825/E830 Transformer Test at Drive Board
1. Test Configuration
CN1 transformer connection
LED2 stride motor
LED1 VDD
LED7 VCC
7-2-1
2. Test Procedure
! 1. Connect the transformer to the drive board CN1 connector.
2. Set voltmeter to the 200 VAC (or 6000 VAC) setting.
3. Turn on power. Insert meter probes separately to contact both red wire (blue wire in 220V
! !
markets) pins as shown.
! ! ! 4. Test result: AC 110V (or 220V, in 220V markets).
5. Test secondary wires in the same way. Normal test results appear below.
Transformer Connectors
Voltage (AC)
Red Probe
Black Probe
RED/(BLUE) RED/(BLUE) 110V (red) /220V (blue)
YELLOW
YELLOW
10~11V
WHITE
WHITE
23~24V
BLACK
BLACK
25~26V
3. Troubleshooting
1. If there is no voltage across the red (or blue) primary wires, inspect the unit fuse.
2. If there is no voltage across any same-color secondary wires, the transformer internal
wires are broken. Replace the transformer.
7-2-2
E821/E825/E830 Drive Board Stride Motor Voltage Test
1. Test Configuration
LED2 Stride motor indicator
Ground terminal
7-3-1
Motor power test
hoop
2. Test Procedure
(1) Put voltmeter to the 200 VDC setting. Place meter probes separately on the MOTOR
POWER and GND hoops on the drive board.
(2) Normal reading: 22±0.1VDC.
(3) If the drive board is not emitting any voltage, the stride motor will not operate.
Black probe on the GND test hoop
Red probe on MOTOR POWER hoop Voltage reading
3. Troubleshooting
(1) If the stride motor does not move, inspect the following:
a. Whether LED2 on the drive board is lit. If not, the drive board is not providing power for
the motor.
b. Inspect AC1 and AC2 power cord and transformer wire connections.
c. Replace D1 UF5406 or U3 LM2578BT as a test.
d. Replace the drive board as a test.
7-3-2
E821/E825/E830 Drive Board VCC Voltage Test
1. Test Configuration
VCC hoop
LED7 VCC LED
GND hoop
ᆄ
7-4-1
2. Test Procedure
(1) Put the voltmeter at the 20 VDC setting. Place proves separately on the VCC and GND
test hoops on the drive board.
(2) Normal reading: 5±0.1 VDC.
Black probe on GND test hoop
Red probe on VCC test hoop
Normal reading
3. Troubleshooting
(1) If the drive board LED7 VCC indicator does not light, inspect the following:
a. AC1, AC2, and the transformer wire connections on the drive board.
b. Replace U2 7805 or BR2 2W06M as a test.
c. Replace the drive board as a test.
7-4-2
E821/E825/E830 Drive Board VDD Voltage Test
1. Test Configuration
LED1 VDD
VDD hoop
GND1 hoop
7-5-1
2. Test Procedure
(1) Put voltmeter to the 200 VDC setting. Place probes separately on VDD and GND1 hoops.
(2) Normal reading: 30~31 VDC.
Black probe on GND1 terminal; Red probe on VDD. Normal reading is shown below.
3. Troubleshooting
(1) If there is no resistance, inspect the following:
a. Is LED1on the drive board lit? If not, there is no voltage to the electro-magnet.
b. AC1, AC2, and the transformer wire connections to the drive board.
c. Replace BR1 KBU1006 as a test.
d. Replace the drive board as a test.
7-5-2
E821/E825/E830 Electro-Magnet Voltage Test at Drive Board
1. Test Configuration
LED1 VDD
GND1 hoop
VPP hoop
7-6-1
2. Test Procedure
(1) Put voltmeter to the 200 VDC setting. Place probes separately on VPP and GND1 hoops
on the drive board.
(2) Normal reading: 28±0.1 VDC.
Block probe on GND1 hoop. Red probe on VPP hoop. Normal reading.
3. Troubleshooting
(1) If there is no resistance, inspect the following:
a. Drive board LED1 is lit. If not, there is no voltage to the electro-magnet.
b. AC1, AC2, and the transformer wire connections at the drive board.
c. Replace D13 UF5406 or Q20 IRF9540 as a test.
d. Replace the drive board as a test.
7-6-2
Keypad Test
1.Test Configuration
B
A
7-7-1
2.Test Procedure
(1) Put the voltmeter to the 200 ohm setting. Place probes separately on key switch points A and B.
(2) Do not press any keys. Voltmeter shows no reaction: OL (open line).
(3) Press a key. Voltmeter shows 0 ohm.
3.Circumstance of Malfunction
(1) If the key is not pressed and the voltmeter shows 0 ohm, the key switch has a permanent
electrical short. Replace it.
(2) If the key is pressed and the voltmeter shows no reaction, the key switch circuit has a
permanent electrical open. Replace it.
7-7-2
E821/E825/E830 VBB Voltage Test at the Display
1.Test Configuration
LED2
+
LED1
7-8-1
-
2. Test Procedure
(1) Turn on unit power. LED1 and LED2 on the display light up.
(2)Put voltmeter to the 20 VDC or higher setting. Place probes as shown in the test
configuration diagram.
(3) Normal reading: 12 VDC ±0.3 VDC.
! !
3. Troubleshooting
If LED1 and LED2 on the drum don’t light (voltage test fails to show 12 VDC ±0.3 VDC)
inspect the following:
(1) Main data cable and its connections at the drive and display boards.
(2) The condition of the main data cable.
(3) Replace BR1 KBU1006 as a test.
7-8-2
E821/E825/E830 VCC Voltage Test at the Display
1.Test Configuration
+
LED1
LED27
7-9-1
2. Test Procedure
(1) Turn on unit power. LED1 and LED27 on the display board light.
(2) Put voltmeter to the 20 VDC setting. Place probes as shown.
(3) Normal reading: 5 VDC ±0.2 VDC.
(4) Display beeps once and LEDs light up.
! !
3. Troubleshooting
If after turning on power, LED1 and LED27 on the display do not light, inspect:
(1) Is there VCC voltage?
(2) Is there VBB voltage?
(3) If there is VBB voltage, replace U2 7805A as a test.
If there is no VBB voltage, refer to VBB voltage testing.
7-9-2
E821/E825/E830 Display LED Voltage Test
1.Test Configuration
LED2
+
7-10-1
-
2. Test Procedure
1. Turn on unit power. LED2 on the display lights up.
2. Put voltmeter to the 20 VDC or higher setting. Place probes as shown.l
3. Normal reading: 5 VDC ±0.2 VDC.
4. Display beeps once and LEDs light up.
! !
3. Troubleshooting!
If after turning on unit power, the display beeps once and lights up but LED2 does not light up,
Then inspect the following;
(1) Is there VCC voltage?
(2) Is there VBB voltage?
(3) If there is VBB voltage, replace U3 SK-8051S as a test.
If there is no VBB voltage, refer to VBB testing.
7-10-2
E821/E825/E830 Telemetry Heart Rate Receiver Board Test
1. Test Configuration
Heart rate window
Heart rate transmitter
7-11-1
2. Test Procedure
(1) Put on the heart rate telemetry strap.
(2) Press the Quick Start key and start exercising.
(3) Display shows heart rate in the heart rate window.
3. Troubleshooting!
If there is no heart rate reading, inspect the following.
(1) Make sure the telemetry strap is connected and worn properly. Straps must touch
the skin. They cannot be loose.
(2) Replace the telemetry strap as a test.
(3) Test whether the telemetry strap works on another product. If so, replace the receiver
board in this product.
7-11-2
E825/E830 Heart Touch Rate (HTR) Board Test
1. HTR board LED placement and definitions
LED1
LED Definitions
LED#
Color
LED1
Red
LED2
LED3
Orange
Green
LED4
Red
Name
Telemetry signal
LED2
LED3
Explanation
Flashing indicates reception of telemetry
signal
HTR grip signal
Lit indicates contact made to HTR grips
Incoming HR signal Flashing indicates reception of incoming
HTR signal
Outgoing HR signal Each flash represents the transmission of a
heart rate signal.
7-12-1
LED4
2. Test Procedure
The following test results indicate normal operation.
1. No LEDs on the HTR board light when you don’t contact the HTR grips.
2. When you contact the HTR grips with both hands, LED2 indicators light.
3. When LED3 flashes, an incoming heart rate signal is being received.
4. When LED4 flashes, an outgoing heart rate signal is being transmitted to the display board.
5. Within ten seconds, the display shows a heart rate value.
3. Troubleshooting
If not as above, refer to the chart below for troubleshooting.
Order Malfunction
Explanation
1 LED1 does not There is no telemetry signal
light
2 LED2 does not No contact to HTR grips
light
3 LED3 does not No incoming HTR signal
light
4 LED4 does not HTR board did not emit HR
light
value signal
5 Display fails to HTR board signal not
show HR value received or not shown at
display
7-12-2
Possible Causes of Malfunction
Telemetry strap, telemetry receiver
board, wire connections
HTR grip, wire from grip to board
HTR grip, wire from grip to board
HTR board
3-pin cable, display
HTR Cable (2-pin to HTR Left and Right Contacts) Test
Fig. 1: Place black probe as indicated
Fig. 2: Place red probe as indicated on HTR contacts
GND
A
a
(Note: There are three wires on the HTR board 2-pin cable.)
7-13-1
2. Test Procedure
(1) Do not turn on unit power. Remove display cover to access the HTR board 5-pin cable.
(2) Put voltmeter to the 200 ohm setting. Place probes as shown in Fig. 1 and 2.
Test HTR cable and ground for electrical shorts and opens.
(3) Test as shown below.
HTR Contact to Connector Test
HTR Contact to Ground Test
Test Point Normal
A-a
Test Point
A-GND
Frame to GND
continuity
Normal
open
open
3. Troubleshooting
(1) Inspect the cable from the HTR board to the handlebar HTR contacts.
(2) Replace the cable or the HTR board as a test.
7-13-2
E821/E825/E830 Transformer Electrical Short/Open Test
1.Test Configuration
Fig.1 Electrical Open Test
Fig. 2. Electrical Short Test
7-14-1
2. Test Procedure
(1) Electrical Open Test: Set voltmeter to the 200 setting. Test common colored wires.
See Fig. 1. Normal reading: <20.
(2) Electrical Short Test: Set voltmeter to the 20 M setting. Test differently colored wires.
See Fig. 2. Normal reading: , OL.
Test Point
Open
Short
Normal
Value
<20
3. Troubleshooting!
(1) If not as above, inspect wire connections. Replace the transformer as a test.
7-14-2
E821/E825/E830 Electro-Magnet Electrical Open or Short Test
1.Test Configuration
Fig. 1: Electrical OpenTest
Fig. 2: Electrical Short Test
Wire-to-Cover Electrical Short Test
7-15-1
2. Test Procedure
(1) Electrical open test: Put voltmeter to the 200 setting. Place probes as shown in Fig. 1.
Normal test results are shown below. Note: a reading of just under 20 indicates the
electro-magnet is OK.
(2) Electrical short test: Put voltmeter to the 20 M setting. Place probes as shown in Fig. 2.
Normal test results are shown below. Note: a reading other than indicates continuity -electro-magnet
windings or cables are contacting the bracket.
Test
Resistance
Results
Value
Open Test
<20
Short Test
3. Troubleshooting!
(1) If not as above, inspect cable wiring or replace the electro-magnet.
7-15-2
E821/E825/E830 Procedure to Remove Rear Covers
5. Remove upper cover.
6. Remove L/R rear covers.
1. Remove L/R glide rail covers.
2. Remove the screw cover strip.
3. Remove the rotating cover.
4. Remove cover screws.
8-1-1
!
1. Use a Phillips head screwdriver to remove three 2. Disconnect cover B from cover A. Remove cover A.
crews from glide rail cover B.
Cover A
Cover B
3. Remove cover B by pushing inward and
downward.
4. Rotate cover B downward to remove it.
8-1-2
5. Use a flat-head screwdriver to pry up the screw
cover strip.
6. Gently pry up the screw cover strip.
7. Locate screws on the rotating cover.
8. Use a Phillips head screwdriver to remove the
screws on the rotating cover.
8-1-3
9. Put the glide rail into the position shown. Pull the
rotating cover downward to remove it.
10. Locate screws on left and right sides. Circled
screw is accessed from one side only.
11. Use a Phillips head screwdriver to remove these 12. After removing screws, detach the top cover,
starting from the top and working your way
screws.
downward.
13. After removing screws, covers can be moved
forward, allowing access for some jobs.
14. To remove covers, use an M6 Allen wrench to
remove the glide rail screw.
15. This illustration shows covers totally removed.
16.Covers can be assembled in the same order they
were removed.
17.Before assembling covers, make sure that the
glide rail upper (see step 14) and lower hardware
are in place and are lubricated with bearing
grease. This hardware includes a T-shaped
spacer on top and a thick washer-like spacer on
bottom.
8-1-5
Was this manual useful for you? yes no
Thank you for your participation!

* Your assessment is very important for improving the work of artificial intelligence, which forms the content of this project

Download PDF

advertising