Instructions / Assembly

43
Before You Call For Service…
Alarm (‘A’)
and Alert
(‘T’) Codes
Description Current Alarm Screen Display
A037
Gas relay #2 contacts failed to properly close.
This can cause gas valve cycling and gas
buildup in the burn chamber. This will disable
the heater.
A037 Gas Relay 2 stuck open. Call Tech Service
->If problem persists, please contact techni-
cal support or service provider.
A038
Gas relay #2 stuck closed. This could inadver-
tently allow the gas valve to open. This will
disable the heater.
A038 Gas Relay 2 stuck closed. Call Tech Svc.
->If problem persists, please contact techni-
cal support or service provider.
A039
This is a control board hardware fault and re-
quires control board replacement if persistent.
This will disable the heater.
A039 Flame sense cct fault. Call Tech Service
->If problem persists, please contact techni-
cal support or service provider.
A040
This is a control board hardware fault and re-
quires control board replacement if persistent.
This will disable the heater.
A040 Controller RAM fault. Call Tech Service.
->If problem persists, please contact techni-
cal support or service provider.
A041
This is a control board hardware fault and re-
quires control board replacement if persistent.
This will disable the heater.
A041 Controller ROM fault. Call Tech Service.
->If problem persists, please contact techni-
cal support or service provider.
A042
This is a control board hardware fault and re-
quires control board replacement if persistent.
This will disable the heater.
A042 Controller EEPROM fault. Call Tech Svc.
->If problem persists, please contact techni-
cal support or service provider.
A043
This is a control board hardware fault and re-
quires control board replacement if persistent.
This will disable the heater.
A043 IC Program execution fault. Call Tech Svc
->If problem persists, please contact techni-
cal support or service provider.
A044
Input power frequency not 60 Hz. (outside allow-
able deviation). This will disable the heater.
A044 Processor Clock/Line Frequency Disagree
->If problem persists, please contact techni-
cal support or service provider.
A101
This is a display board hardware fault and
requires control board replacement if persistent.
This will disable the heater.
A101 Conguration Data Restore Failure
->Initialization of the control system failed
at startup. Please contact technical support or
service provider.
A102 Set the internal clock time.
A102 Time Clock needs to be programmed
->Go to Settings, select time/date menu and
set the time and date.
A103
This is a display board hardware fault and
requires control board replacement if persistent.
This will disable the heater.
A103 Time Clock not advancing time properly
->Please contact your qualied service pro-
vider.
A104
Presence of water detected by the leak sensor
in the bottom pan. If water is seen locate source
and take appropriate action to correct the issue.
This may disable the heater based on con-
guration settings.
A104 Water Leak Detected
->The presence of water has been detected
by the control. Please contact a qualied service
provider.