Fast Track Troubleshooting
Model:
WF410ANR/XAA
WF410ANW/XAA
IMPORTANT SAFETY NOTICE – “For Technicians Only” This service data sheet is
intended for use by persons having electrical, electronic, and mechanical experience
and knowledge at a level generally considered acceptable in the appliance repair trade.
Any attempt to repair a major appliance may result in personal injury and property
damage. The manufacturer or seller cannot be responsible, nor assume any liability for
injury or damage of any kind arising from the use of this data sheet.
NOTICE
The WF410 incorporate parts
changes in the motor circuit, main
PCB and wiring harness. You can
determine which parts are required by inspecting label inside
the door. If the version number is
not listed, it is the original design.
Version 01 Parts Changed
ASSEMBLY BLDC MOTOR,
ASSEMBLY PCB MAIN, ASSEMBLY M.WIRE HARNESS
Publication # nwWF410 Revision Date 06/17/2013
Service Mode:
This mode allows more detailed operation tests and troubleshooting, to enter press Signal & Extra Rinse
simultaneously with the power on.
While in Service Mode the following tests can be performed:
Quick Spin Test = Delay Start & Pure Cycle:
This accelerates the drum motor from 0 to maximum RPM over a few
minutes. Note: Stay with the washer during this test, out of
balance detection may be bypassed. Press the Start/Pause
button during the test to hold its spinning speed for 10 minutes
before going back to Quick Spin Test Mode.
Cycle Count = Press the Signal button to see how many
times the unit was used.
Soft Ware # = Press the Soil button to see the software version
Fault Code Test = Press the Extra Rinse button to view the
stored fault codes – then turn Jog Dial to view error codes
(Push Start/Pause while the code is displayed to view the number of cycles since the error occurred)
Peripheral (Main PCB) input Tests
1. Press Pure Cycle. Then turn the Jog-Dial so that the Extra
Rinse LED is turned on. Next, press the Start/Pause Key. The
Water Temperature will be displayed in Fahrenheit.
2. Press Pure Cycle. Then turn the Jog-Dial so that the Extra
Spin LED is turned on. Next, press the Start/Pause Key. The
door status will be displayed (OP if open, CL if closed).
3. Press Pure Cycle. Then turn the Jog-Dial so that the Delay
Start LED is turned on. Next, press the Start/Pause Key. The
door lock Switch status will be displayed (UL if unlocked, Lo if
locked).
4. Press Pure Cycle. Then turn the Jog-Dial so that the Pure
Cycle LED is turned on. Next, press the Start/Pause Key. The
Water Frequency will be displayed.
Quick Test Mode:
Note: This test erases all faults and memory:
To enter press Soil, Signal, & Power
simultaneously with the power off.
1. All LED’s light up and the washer beeps
as it enters the Quick Test Mode.
2. The unit displays the software version for a
second then clears the EEprom.
3. After the displaying the software version, LCD
will display Model information. If EEEE is displayed
the PCB ass’y is defective.
4. When the version is displayed, turn the Jog-Dial
CCW until version disappears. Press the following
keys to test the various components
Press Temp Key (Lock door with Spin key) to cycle
through the Water Valves circuit test in this order: Cold
Main, Bleach, Hot, Boot valve then off.
Press Spin Key to test Door Lock/Unlock circuit.
Press Signal Key to test Drain Pump
Press Soil Key to test Water Heater
EEPROM Clear Check
Power off, Press Delay Start, Signal and Power Key at
the same time. Good = Good Fail = FAIL
All memory will be cleared, including Fault Codes
This should be done when a new Main PCB is installed
Fabric Softener Dispenser Test:
Start Rinse and Spin Cycle. After fill is completed
remove detergent drawer, place towel below opening
and within 3 minutes the dispenser will activate
SUPPORT INFORMATION
Training — Plus One http://my.plus1solutions.net/clientPortals/samsung/
Help — GSPN http://service.samsungportal.com/
CN6
CN5
CN7
CN4
CN3
Boot Valve
WF410
Gray
CN1
Gray
RY2
CN8
CN2 RY1
Washer Connector Checks WF410
CN3
1 Door Lock Close (Blk)
2 Door Lock Open (Wht)
3 Drain Pump (Vio)
4 Boot Valve (Red)
5 Bleach Valve (Pnk)
7 Pre Valve (Yel)
8 Main Valve (Blu)
9 Hot Valve (Org)
CN4
1 Door Sw (Org)
3 Door Sw (Gry)
CN7
4 Water Temp Thermistor (Wht)
5 Water Temp Thermistor Gnd (Org)
6 Water Level Sensor (Pnk)
7 Water Level Sensor (Vio)
CN2
1 AC Pwr (L) (Blk)
2 Pwr Sw (Yel)
3 Valves Common, Lock Sw (Brn)
CN1
1 Reactor Connector Port (Gry)
2 Reactor Connector Port (Gry)
Power Relay
1 (Blu)
2 (Wht)
Washer Heater Relay
1 (Blk)
2 (Red)
CN5
1 Motor Pwr U Phase (Blu)
2 Motor Pwr V Phase (Wht)
3 Motor Pwr W Phase (Red
Test 1
Water Level Sensor Check
Voltage: Connector CN 7 Pin 6 (Pink) and Pin 5
(Orange) And Connector CN 7 Pin 7 (Violet) and Pin
5 (Orange)
Resistance: Connector CN 7 Pin 6 (Pink) and CN7
Pin 7 (Violet)
Hall Sensor Check
Connector CN6 Pin 4 (Orange) and Pin 2 (Red) additionally Pin 4 (Orange) and Pin 3 (blue)
CN6 (Hull Sensor)
1 +5 vdc (Pnk)
2 Sensor Signal (Red)
3 Sensor Signal (Blu)
4 Ground (Org)
CN8 (Display Connector)
1 T Comm Port (Blu)
2 R Comm Port (Org)
3 Rest Signal (Yel)
4 Ground (Pnk)
5 +5 vdc (Wht)
6 +15 vdc (Red)
Test 2
Operating voltage at no water in the
drum-
Operating Resistance (Power
off)
2.5VDC
CN7 Pin 6 (Pink) and Pin 7
(Violet) 22- 24Ω
Test 1
Test 2
N/A
Motor Check
Manually spin the drum to see the voltage change, Power On
0Vdc or 3.75Vdc
Test 1
Connector CN5 Pin 1 (Blue), Pin 2 (White) and Pin
3 (Red)
A/C Power Check
Power Off 11.5Ω across Pins 1-2, Pins 1
-3, & Pins 2-3
Test 1
N/A
Connector CN 2 Pins 1 (Black) and 2 (Yellow)
Power On 120VAC
N/A
Test 2
Test 2
Test 1
Door Lock Check
Connector CN2 Pin 3 (Brown) and CN3 Pin 1
(Black)
When Door is Locked or Unlocked
there is a pulse of 120VAC for a few
milliseconds.
Test 1
Door Unlock Check
Connector CN 2 Pin 3 (Brown) and CN3 Pin 2
(White)
When Door is Locked or Unlocked
there is a pulse of 120VAC for a few
milliseconds.
Test 1
Drain Motor Check
Connector CN2 Pin 3 (Brown) and CN3 Pin 3
(Violet)
120VAC with the pump On and 0VAC
with the pump off
Test 2
With Power Off, the resistance
between CN3 Pin 1 (Blk) and Main
Relay pin 2 (Blu) will be between
47 - 57Ω
Test 2
With Power Off, the resistance
between CN3 Pin 2 (Wht) and Main
Relay pin 2 (Blu) will be between
47 - 57Ω
Test 2
Test 1
With Power Off, the resistance
between CN3 Pin 3 (Vio) and Main
Relay pin 2 (Blu) the resistance
should be 13.9Ω
Test 2
Connector CN2 Pin 3 (Brown) to CN3 Pin 5 (Pink),
Pin 4 (Red) , Pin 7 (Yellow), Pin 8 (Blue), Pin 9
(Orange)
Heater Relay Check
120VAC with the Valve On and 0VAC
with the Valve off
Power Off, valve resistance is from
1202Ω - 1245Ω
Test 1
Test 2
Connector CN2 Pin 3 (Brown) and RY3 (heater
relay) Pin 2 (Red)
120VAC with the Heater On and 0VAC
with the Heater off
Water Valve Check
Error Type
Error Mode
LED
Water Level Sensor
LE
8
Power Off, heater resistance is
16.6 Ω
Details
LCD
Check for any leakage on the base, Hose, Valve and Tub connections and take any required action. This can also be a heater out of
place.
During natural draining, this error occurs because the drain bellows are clogged with foreign material. Remove the foreign material.
Check drain motor operation. Replace if it doesn’t operate normally.
3E
Motor Drive Error or
Hall Sensor error
E3
bE
25
Check the motor drive connector, it may be loose. The hall sensor
may be disconnected, loose or damaged . Check for a foreign object inside the motor or motor damage. The stator might be loose
or damaged. The drum might be overloaded from too many
clothes or the relay or PCB might be defective.
Check the water valve wiring harness.
Water Supply
Error
nF
3
Check whether the water supply valve is clogged with foreign material and whether water is supplied properly.
Check for reversed fill hoses
Check water temperature, if sensed as higher than 50 ˚C in the
Wool or Lingerie cycle it will create error.
Check the relays, if they operate correctly replace the Main PCB.
Fill Hoses Reversed
nF1
Correct Hot/Cold hose connections
System Error
SF1
SF2
SF3
Replace PCB
Error Type
Error Mode
LED
Details
LCD
Check for Foreign material entering the pump or hoses.
Drain Error
nD
1
Check to make sure the wiring harness is connected properly.
Check the water pump terminal .
Check for freezing
Power Error
2E
91
92
Make sure to check the operating voltage. (An error occurs when
under or over voltage is supplied.) Check whether a plug receptacle is used. When the connecting wires are too small (extension
cord use), a momentary low voltage may drop up to 10 V
Main PBA fault (sometimes)
PF
Momentary Power Failure
AE
Check the wire connections and terminal contacts between the sub
and main PBAs.
Communication Error
Check for disconnected wires.
Check whether the sub PCB is short circuited because of moisture.
If the main PCB’s communication circuit is faulty, replace it.
EEPROM
Fault.
11
Switch Error
E2
15
(Main Relay
Error)
Go to “EEPROM Clear Mode” If display shows “FAiL”, Replace Machine Control Board
Check whether either the Power switch or a tact switch (any button)
is stuck down.
Check whether the service PBA holding screws are fastened too
tight pinching the contacts
If the main PBA switching IC on/off error has occurred, replace the
main PBA.
SR
The “E2” error occurs if the main relay connections are incorrect.
Check the connections. If there is no error in the connections, replace the main PBA
dS
22
(Before
operation)
Door Error
dL
18
(During
operation)
LO
2
(Unlock
Fail)
FL
4
(Lock Fail)
Check the door switch and latch alignment .
Check the latch for damage
Check the wiring harness to the latch.
Check the door switch. Replace if faulty.
Check the main PBA door sensing circuit. Replace if faulty.
Finally verify he operation of the Main PCB
Error Type
Error Mode
LED
Heater Error
Details
LCD
Hr
36
(Heater
Relay)
This can be a short or a wire disconnected to the heater circuit. This
can also be problem with the tub contacting the heater or if the water in the tub is frozen or there is no water. The error is triggered by
temperatures above 145C. If the heater has no error, this occurs
because of a PBA relay malfunction. Check the wiring harness to
the heater.
An Hr error occurs if the steam heater, is faulty, replace it.
Overflow error
9E1
EMC Filter issue or a noise spike from an external device
OE
1E
Water is supplied continually because the water level detection
does not work. - Verify the drain is working properly, the water level
detection does not work and water is supplied continually. Verify the
water valves shut off fully. Finally check the water level sensor.
29
Temperature
Sensor Error
Unbalance
Error
dC
10
Silver Care Kit 7E
(Silver Care
PCB) Failure.
Mems or Harness Failure
Foaming
Detected
8E
SUdS
Sd
The washing heater temperature sensor in the tub has an error.
Check the connections for the washing heater temperature sensor
connector.
Check the type of laundry. Check whether it may cause an unbalanced situation.- Educate the consumer in this case, to press
pause, reposition the load or remove a few items. Press start to
continue and complete the wash cycle.
Check Silver Care PCB ,Main PCB & Wire-harness
Check MEMS PCB ,Main PCB & Wire-harness
This occurs when too much foaming is detected. It is also displayed
while foaming is removed. When the removal is finished, the normal
cycle proceeds. (This is one of the normal operations. It is an error
for preventing non-sensing faults.)
Check whether the washing machine is level to the floor with respect to the original position of the washing machine prior
to service. Doing this now will reduce the need for a redo call and customer dissatisfaction.
✔ Vibrations can shorten the lifetime of the product.
Foot Pad for Walking Washer,
There is one in each package,
so order 4
Water valve connections for the Detergent Drawer
Items Packed With Washer
BOLT-SPANER (10-13mm Wrench) DC60-40146A
ASSY HOSE WATER DC97-15691A
ASSY HOSE WATER DC97-15692A
MANUAL-BOOK DC68-02535A
CAP-FIXER DC67-00307A
HOSE-HANGER DC62-10278A
Stacking Kit : (Model No : SK-3A1/XAA, SK-4A/
XAA, SK-5A/XAA)
Samsung washers and dryers can be stacked to maximize usable space. An optional stacking kit is available for purchase from your Samsung retailer
It is normal for some water to remain in Detergent Drawer
after it completes washing. Bleach is usually flushed out
into the tub at the beginning of the washing. Also, its compartment is washed again during the following rinse cycle,
removing any remnants.
Laundry Touch Up Paints
When using non-HE detergents, or using too much detergent for the water hardness and soil level of the clothing,
over sudsing will occur. When this happens there will be
leaks out of the detergent drawer and door. Please advise consumer of proper detergent usage.
Location considerations
Do not install your washer in areas where water may
freeze, since your washer will always maintain some
water in its water valve, pump, and hose areas. This
can cause damage the belts, the pump, hoses and
other components. Operating temperature should be
above 60°F/16°C.
NOTICE
The unit sometimes will pause during Sanitize, or Pure Cycle, wash modes and appear not to be functional. The Sanitize and Pure Cycle wash cycles have target temperatures to assure washer performance. If the water temperature
doesn't meet the target temperature during the wash cycle, the washer will automatically add extra time to allow the
heater to bring the water up to the programmed, or target temperature. In this stage, the displayed time will pause and
hold until the heating operation has been completed. It is at this point that the customer may feel that operation has
stopped. (The maximum added programmed time is 30 minutes)