SECTION SEVEN – Troubleshooting
7-2
Go to chart “HEATER WILL
NOT FIRE - A”
(Page 7-3)
Go to chart “HEATER WILL
NOT FIRE - B”
(Page 7-4)
Go to specific safety switch
troubleshooting chart
(Page 7-7 and 7-8)
Go to chart ‘HEATER WILL
NOT FIRE -C”
(Page 7-5)
Are any red diagnos-
tic LED’s on back of
board (AGS, AFS,
SFS, HLS, PS or
THERMISTOR) “on”
NO
NO
NO
NO
NO
YES
YES
YES
NO
YES
YES
Does red “SERVICE
HEATER” LED come
“on”
Verify that water temperature setting is
above water temperature reading. If it is,
and heater either will not fire or no red
LED’s come “on”, replace Control Board.
STACK FLUE TEMPERATURE
Can indicate good operation or can
show problems. See Page 4-11 for more
information.
YES
Start here for directions to specific Troubleshooting Chart
Initial Troubleshooting
Hazardous voltage. Can shock, burn
or kill.
Disconnect power before servicing any
components.
Fire and Explosion hazard.
Do not
jumper switch terminals to remedy a failed safety
switch.
Is green “POOL” or “SPA” LED
“on”?
Is red “SERVICE SYSTEM”
LED “on”?
Is red “SERVICE HEATER”
LED “on”?
Turn heater off at Membrane
Pad for about 5 seconds, and
turn back on. Make sure tem-
perature setting is above water
temperature. Wait one minute.
Do any diagnostic LED’s on
back of board (AGS, AFS,
SFS, HLS, PS, or
THERMISTOR) come “on”
momentarily or permanently?
NOTE:
Any or all of the diag-
nostic LED’s may come “on”
momentarily when you turn
on the power to the heater.