ECO-5 / 6100
Contents
Series Control
Tools & Parts
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Tools Required
Parts Required
Error Messages
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FLO Message
FLC Message
Prr Message
HL Message
Programming
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Low Level Programming
Identified
Problems
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Nothing Works!
Spa Is Not Heating
Pump Does Not Work!
Ozonator Does Not Work!
Spa Light Does Not Work!
Spaside Does Not Work!
1
ECO-5 / 6100
Tools & Parts
Series Control
This Trouble Shooting Manual has been designed for easy simple step-by-step problem solving and fault isolation.
It is important to identify all of the possible causes of the problem before making a final diagnosis. What you see at first
is usually a symptom of the problem, not necessarily the problem itself.
Read the entire trouble shooting procedure related to what you are testing for prior to performing the test.
This will give you a clearer overall view and help to avoid a misdiagnosis.
Tools Required
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Phillips & flat screwdriver
Pliers
11/32” nut driver
¼” open end wrench
3/8” open end wrench
Jumper cable
Multi-meter and clamp-on Ammeter
Accurate thermometer
GFCI tester (optional)
Parts Required
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Spaside control
Temperature sensor
Hi-Limit sensor
30A Fuse
System Board
Pre-Test
Prior to the service call, have the
homeowner check the following:
• Make sure spa is filled to the water
level recommended.
• Insure that all water shut off valves
are open and not vibrating closed.
• Assure that there is no obstruction
to the pump suction fittings.
• Adjust diverter valves and/or jets to
allow adequate back pressure to
heater assembly.
• If an FLO error is reported: Remove
the filter and operate the system. If
the error goes away, a filter
cleaning is required. Let the
customer know that the filter may
never look dirty, we are dealing
with oils, lotions etc… Use an
appropriate filter-cleaning agent.
• Get all of the information required
off of the data label.
2
ECO-5 / 6100
Pressure or Flow Switch Not Activated
Error Messages
If 3 flashing dots appear below the temperature display, the printed circuit board must be checked to see if the LED
error indicator is illuminated. If it is not the 3 flashing dots are related to a problem with the pressure or flow switch. If
the system does not detect any pressure when the pump is manually or automatically turned on, 3 flashing dots will
appear below the temperature display.
Note that there must be enough water in the spa for it to be used normally. This display can occur when the spa filter is dirty or when
something limits the flow of water in the pipe.
When the 3 flashing dots appear, the heater is shut off.
Power can remain on while the following steps are performed.
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A system with a flow switch displaying
the pressure or flow switch not activated
message will not be corrected by
installing a pressure switch.
A system with a pressure switch
displaying the pressure or flow switch
not activated message will not be
corrected by replacing the pressure
switch.
Verify that the pump is working. If the
pump is not functioning properly, refer
to the pump section of this manual.
Make sure to clean the filter and to
check for air locks, closed valves or
anything that could restrict the flow of
water.
Verify that the pressure or flow switch
cable is properly connected to the
pressure or flow switch and the printed
circuit board.
If the problem still exists, lower the Set
Point temperature to 60° by pressing
and holding the Down Arrow Key. After
a 20 second cool down the pump will
turn off. Short the two terminals of the
pressure/flow switch cord using the
jumper cable. 3 flashing dots should
appear on the display.
This message identifies the pressure or
flow switch as the source of the
problem.
Readjust the pressure or flow switch. If
it is not possible, replace the switch.
If the 3 flashing dots did not appear in
the previous step, the problem could be
with the switch cable or the system
circuit board.
3
ECO-5 / 6100
Pressure or Flow Switch Activated
Error Messages
If 3 flashing dots appear below the temperature display, the printed circuit board must be checked to see if the LED
error indicator is illuminated. If it is not the 3 flashing dots are related to a problem with the pressure or flow switch. If
the system detects any pressure while the pump is turned off, 3 flashing dots will appear below the temperature
display.
Power can remain On while the following steps are performed.
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Pressure Switch
Adjustment
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Important Test
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Disconnect the pressure or flow switch
cable from the printed circuit board.
If the 3 flashing dots do not go away,
replace printed circuit.
Note: If the 3 flashing dots appear on
the while the pump is operating, adjust
or replace the pressure or flow switch.
Fill spa to maximum water level.
Apply power and operate jets on high
speed to establish full water flow
throughout the system.
Turn OFF all power to the system.
Remove the wires from the pressure
switch. Place an Ohmmeter across both
terminals to verify that the circuit is
“open”.
Rotate the pressure switch adjustment
screw counter-clockwise until the
ohmmeter indicates a “closed” circuit.
Rotate the pressure switch adjustment
screw clockwise until the ohmmeter
just indicates an “open” circuit.
Replace wires on pressure switch,
apply power and operate spa as
normal.
Press and hold the Up Arrow Key to
turn on the low speed pump and heater,
unplug the pump cord to simulate a
pump failure.
The heater should turn off and the 3
flashing dots should appear on the
spaside control display.
Warning - If the heater remains on,
quickly plug the pump back in and
repeat the above steps.
4
ECO-5 / 6100
Temperature Sensor
Error Messages
The system is constantly verifying that the reading of the temperature probe is within limits. If the actual spa water
temperature greatly differs from that displayed by the spaside control or if 32°F is constantly displayed, this indicates a
problem with the water temperature sensor.
Note that the temperature of the water should be over 35°F to perform the following steps.
Press a key after each step to reset the system.
Power can remain On.
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ECO-5 / 6100
Verify that the temperature sensor is
properly connected to the printed circuit
board.
Disconnect the sensor connector and
try and clean the connector pins. A
small coating of film can cause a bad
connection. Also inspect for bent pins.
Reconnect the sensor.
If the display is still unchanged on the
spaside control, replace the sensor with
a spare and place the probe in the spa
water.
If this solved the problem, replace the
sensor. Replace the printed circuit
board if the problem has not been
corrected.
High Limit Sensor / Over Heat
Error Messages
If 3 flashing dots appear on the spaside control and the LED error indicator on the printed circuit board is illuminated,
there is either a problem with the high limit temperature sensor or an over heat condition has occurred. This will
happen whenever the water temperature read by the high limit temperature sensor exceeds 115°F.
Power to the system must be turned off then on to reset the system.
Power can remain On.
If the reading is
below 115°F:
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With an accurate thermometer measure
the temperature of the water.
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Check to see if the heater housing is
hot.
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If the heater housing is hot, check for an
obstructive flow of water (closed valves or
dirty filter).
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If after clearing any obstructions the
error still appears on the display and the
LED error indicator is still illuminated on the
printed circuit board, replace the printed
circuit board.
5
ECO-5 / 6100
High Limit Sensor / Over Heat
Error Messages
If the temperature of the water is at or higher than 115°F and the display on the Spaside control IS the right
temperature, perform the following tests.
If the weather is
very warm:
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Remove the spa cover. Wait until the
spa cools down (Add cold-water if
necessary).
If the weather is
not a factor:
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To Lower the
Filter Cycle
Lower the Set Temperature below the
actual temperature of the water (The
Heater On indicator on the spaside
control should turn Off).
Open the access panel on the control
box. With a voltmeter, read the voltage
between P10 and P17 on the printed
circuit board. This is the power supply
for the heater relay coil. If you do not
read 120 VAC, the pump may be
overheating the water during the
filtration cycle. Lower the filter cycle
duration.
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Press both the Light and Up Arrow Key.
The current duration will be displayed.
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Use the Down Arrow Key to lower the
value. (60, 120 or 180)
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When the desired value is displayed,
press both Light and Up Arrow Keys
again to save the new setting.
Note: If no key is depressed within 5
seconds, the system will revert back to the
normal mode of operation.
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P17
P10
ECO-5 / 6100
High Limit Sensor / Over Heat
Error Messages
If the temperature of the water is at or higher than 115°F and the display on the spaside control DOES NOT
show the right temperature, perform the following tests.
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ECO-5 / 6100
Verify that the temperature sensor is
inserted properly and that cold air
cannot affect its readings.
Use foam to insulate the sensor from
cold air if it is the source of the problem.
Verify that the temperature sensor is
properly connected to the system
board. If it is, replace the sensor.
Replace the printed circuit board if the
error message still appears on the
display and the LED error indicator
remains illuminated.
Low Level Programming
Programming
It is possible to change the parameters of the Equipment System by positioning specific jumpers located on the
system board.
(High Current – 240vac): There is no current restriction. This allows the
heater to operate with the pump in high speed.
(Low Current – 120vac): The system will not turn the heater on when the
pump is in high speed. The heater indicator will flash on the Spaside to tell
the user that there is a call for heat but the heater is not allowed to start.
Jumper 1
Position 1:
(Current Limiting)
Position 2:
Jumper 2
Position 1:
Position 2:
Two Speed Pump
Position 1:
Position 2:
60 minutes Duration, Once a Day
(1 or 2 Speed Pump )
Jumper 3
(Filter Cycle Default
Setting)
Fahrenheit / Celsius
Single Speed Pump
180 minutes Duration, Twice a Day
Press and hold the Light Key on the spaside control for 5 seconds to switch temperature
modes.
7
Nothing Works!
ECO-5 / 6100 Identified Problems
If everything is connected properly and nothing seems to work, there is probably a problem with the power supply. If
you detect Low or High voltage conditions at the input power connection contact an electrician.
Perform the following tests to identify and correct the problem:
120V Operation
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Measure the input voltage between Line
1 (P8) and Neutral (P10). You should
read approximately 120 VAC. (if you do
not get a good voltage reading, check to
make sure the system rocker switch is
in the ON position and that the Line 1
fuse is good.)
If you are getting good voltage readings
but nothing seems to work, verify that
the Spaside control is properly
connected to the system circuit board
(and external receptacle, if applicable).
If nothing works, replace the circuit
board.
P10
Spa Is Not Heating!
ECO-5 / 6100 Identified Problems
If the spa seems to not be heating the water, perform the following tests to correct the problem:
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Check the Spaside control for an error
message. If this is the case, go to the
specific section that refers to that
message.
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Verify that there is a call for heat when
the Set Temperature is increased.
Press and hold the Up Arrow Key to
increase the temperature set point.
Verify that the Heater On indicator on
the spaside control is illuminated.
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P8
8
Spa Is Not Heating!
ECO-5 / 6100 Identified Problems
If the Heater On
indicator does not
illuminate:
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If the Heater On
indicator does
illuminate:
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With an accurate thermometer,
measure the temperature and compare
your reading with the temperature value
displayed on the spaside control.
If the values are different (±2°F), check
to make sure the sensor is properly
inserted into the dry-well or if hot air is
affecting its readings. If so, insulate the
back of the sensor.
If the problem still exists, replace the
temperature sensor with a spare one.
If the spa is still not heating, replace the
printed circuit board.
Open the access panel on the control
box and measure the voltage between
P10 and P17 at the system circuit
board. Replace the printed circuit board
if you are not getting a reading of 120
VAC.
P17
P10
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If the voltage reading is good, measure
the voltage at the heater relay between
the NO (normally open) terminals
connecting the heater wiring to the
heater element. Replace the relay if you
do not get a reading of 120 VAC.
If voltage reading is good, verify that the
nuts securing the heater wiring to the
heater element are secure. If not,
tighten the nuts at the element. If the
problem has not been solved, replace
the element.
9
Normally
Open
Pump Does Not Work!
ECO-5 / 6100 Identified Problems
If pump 1 does not operate, perform the following tests to correct the problem:
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Check to see if there is an error
message on the spaside control. If this
is the case, go to the specific section
that refers to that message.
Verify that jumper #2 is set properly for
single or dual speed operation.
Check spaside control to see if the
Pump Indicator is illuminated when the
pump key is depressed.
Pump Indicator
does not
illuminate
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If the Pump Indicator is not illuminating,
use your spare spaside control to verify
that the keypad is not defective. If the
keypad is defective, replace the spaside
control. If the keypad is not defective,
replace the printed circuit board.
Pump Indicator
does illuminate
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If the Pump indicator illuminates on the
Spaside control when the pump key is
pressed, verify that Pump works in one
of the speeds.
If the Pump works in one of two speeds,
read the voltage at the system board for
both speeds.
Turn Pump onto high speed and
measure the voltage between the white
wire (P12) and the red wire (P6).
Voltage reading should be 120 VAC.
Turn Pump to Low speed and measure
the voltage between the white wire
(P12) and the black wire (P9). Voltage
reading should be 120 VAC.
If the voltage measurements are good,
replace the Pump. If not, replace
system circuit board.
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10
P6
P12
P12
P9
Ozonator Does Not Work!
ECO-5 / 6100 Identified Problems
If the Ozonator does not work, perform the following tests to correct the problem:
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Note: The ozonator has a constant
power supply. It does not run only
during filtration cycles.
Take a voltage measurement at the
Ozone white wire (P12) and the black
wire (P15). If no voltage is present,
check the 30 amp inline fuse for
continuity. Replace the fuse if it is found
to be bad. Voltage reading should be
120 VAC.
If the voltage measurements are good,
replace the Ozonator.
P12
P15
Spa Light Does Not Work!
ECO-5 / 6100 Identified Problems
If the spa light does not work, perform the following tests to correct the problem:
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It is important to measure voltage when
the light is connected to the System.
Power must remain on.
The first step is to replace the bulb of
the spa light.
If the Light does not come on, use your
spare spaside control to verify that the
keypad is not defective. If it is, replace
the spaside control.
If the Light is still not coming on, open
the access panel on the control box and
measure the voltage between the two
wires of the light connector on the
printed circuit board at P7 & P11.
Voltage reading should be 120 VAC.
If the voltage reading at the printed
circuit board is correct, ensure that
there is 12 VAC present at the light
socket. If you do not get a good voltage
reading, replace the printed circuit
board.
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P7
P11
Spaside Does Not Work!
ECO-5 / 6100 Identified Problems
If the keys on the Spaside control seem to not be working, perform the following tests to correct the problem:
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85-0062-CX
Make sure the Programming Jumpers
are set properly. (Refer to
Programming)
Replace spaside control with a spare.
Check to see if the keys are
responding.
If they are, replace the spaside control.
If they are still not responding, replace
printed circuit board.
Rev.1
12
01.01.01
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