Control Logic - Flow Chart
“
Remote
”
and Water Temperature displayed?
If Remote mode is set to control the heater,
Exit Remote control by pressing UP + DOWN.
Power On
Is the Display lit?
YES
Push MODE
Select “Pool” or “Spa”
Push UP or DOWN
arrows to adjust
Temperature
Is Water Setpoint and
Water Temperature
displayed?
YES
START
NO
•
Check On/Off switch (under lid on control panel)
•
Check for 240 or 120 volts to the transformer
(time clock, circuit breaker, wire connections)
•
Check for 24 volts to Circuit Board (P6 connector)
YES
NO
Is a Fault Message displayed?
MODE
MODE
UP
UP
DOWN
DOWN
OPERA
TION & CONTROLS
26
Inlet , Outlet or Vent
Temp [Open/Short]
Gas Valve
Flame w/o CFH
Low Voltage
Verify sensor per
“
Temperature
-
Resistance
”
table:
-
Replace Sensor if readings are out of range.
-
Replace Ignition board if sensor readings are right.
Check voltage at valve terminals. If terminals are
energized replace control boards, check gas valve.
Replace transformer if voltage is below 23VAC.
In Sensor Fault
Check for damaged or loose wires and terminals.
Inlet , Outlet or
Flue Sensor
[Open/Short]