Instructions / Assembly

47
Alarm (‘A’)
and Alert
(‘T’) Codes
Description Current Alarm Screen Display
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 configuration settings.
A104 Water Leak Detected
->The presence of water has been detected by the
control. Please contact a qualified service provider.
T105
Check to see if leak sensor is installed in the bottom
pan. Check wiring on connector P11 of the ignition
control board.
T105 Water Leak Sensor Not Installed
->Check water leak sensor connection. Refer to
use and care manual for troubleshooting, or contact
technical support.
A108
Communication lost between the display board and the
ignition control board. The ignition control board will
continue to operate the heater using the last known
configuration settings. Check wiring between the
display and P5 of the ignition control board.
A108 Ignition Board Communication Failure
->Communications lost with ignition control board.
If problem persists, contact technical support or
service provider.
A110
Monthly test of automatic shutoff valve (premium
models only) was not completed properly. The valve
did not close in the allotted time.
A110 Shutoff Valve Test Close Error
->Auto Shutoff valve failed to close during test
cycle. Please contact technical support or service
provider.
A111
Monthly test of automatic shutoff valve (premium
models only) was not completed properly. The valve
did not open in the allotted time. This will disable the
heater.
A111 Shutoff Valve Test Open Error
->Water heater has been disabled. Manually open
valve. Contact technical support or service provider.
A112
Automatic shutoff valve (premium models only) is
closed. This will disable the heater.
A112 Shutoff Valve Not Open: Heating Disabled
->Manually open valve if no water detected or if
unit is not being serviced. Contact technical support or
service provider.
T113
Peak flame rod current has deviated from the startup
average. This is indicative of degradation of the flame
rod (dirty, sooty). It needs to be cleaned and inspected
.
T113 Flame Rod Degraded and Needs Servicing
->Clean or replace per use and care manual.
Please contact technical support for assistance.
T114
Peak flame rod current has deviated from the startup
average by a significant amount. Clean and inspect
flame rod. Replace if necessary.
T114 Flame Rod Degraded and Needs Servicing
->Clean or replace per use and care manual.
Contact technical support for assistance.
T115
Monitored characteristics of the combustion system
indicate degraded performance. Combustion system
needs to be inspected and serviced.
T115 Combustion Health Degraded: Needs Service
->Combustion system performance is degraded.
Contact technical support or service provider for
assistance.
T116
Monitored characteristics of the combustion system
indicate severely degraded performance. Combustion
system needs to be inspected and serviced.
T116 Combustion Health Degraded. Needs Service
->Clear error code by pressing clear button. Refer
to use and care manual for troubleshooting, or contact
technical support.
BEFORE YOU CALL FOR SERVICE…