Instructions / Assembly

40
Before You Call For Service…
Alarm (‘A’)
and Alert
(‘T’) Codes
Description Current Alarm Screen Display
A001
Ignition lockout due to a total of 9 consecutive
failed ignitions. This will disable the heater.
A001 Ignition lockout.
->Clear error code by turning the unit off/on.
If problem persists, please contact technical sup-
port or service provider.
A002
Flame not stable lockout. Lost ame three times
during one heat cycle. This will disable the
heater.
A002 Flame is not stable.
->Clear error code by turning the unit off/on.
If problem persists, please contact technical sup-
port or service provider.
A003
The intake pressure switch was detected open
when the blower was running. This will disable
the heater.
A003 Intake Switch open. Check Wiring/Venting
->Check switch wiring and venting. If prob-
lem persists, please contact technical support or
service provider.
A004
The proof of air ow switch was detected open
during heating operation. This will disable the
heater.
A004 PoF Switch error H. Check Blower/Wiring.
->Check switch wiring and venting. If prob-
lem persists, please contact technical support or
service provider.
A005
The proof of air ow switch was detected open
during pre-purge operation. This will disable
the heater.
A005 PoF Switch error E. Check Blower/Wiring.
->Check switch wiring and venting. If prob-
lem persists, please contact technical support or
service provider.
A006
The proof of air ow switch was detected open
during post purge operation.
A006 PoF Switch error P. Check Blower/Wiring.
->Check switch wiring and venting. If prob-
lem persists, please contact technical support or
service provider.
A007
Exhaust ue pressure switch was detected open
during heating. This will disable the heater.
A007 Exhaust Switch open. Check Wiring/Vent-
ing
->Check switch wiring and venting. If prob-
lem persists, please contact technical support or
service provider.
A008
The proof of air ow pressure switch was de-
tected closed before the blower started opera-
tion. This will disable the heater.
A008 PoF Switch/Blower mismatch. Call Tech
Svc
->The Proof of Fan pressure switch is closed
when the blower is off. Please contact technical
support or service provider.
T009
Gas pressure is below minimum specied. This
will cause difculties lighting the unit.
T009 No Gas detected. Check gas connections
->Verify gas supply to the unit. Check wiring
to the gas pressure switch. If problem persists
contact technical support.