Instructions / Assembly

44
Before You Call For Service…
Alarm (‘A’)
and Alert
(‘T’) Codes
Description Current Alarm Screen Display
T105
Check to see if leak sensor is installed in the bot-
tom 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 con-
trol board will continue to operate the heater us-
ing the last known conguration 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 sup-
port or service provider.
A109
CO sensor detects presence of carbon mon-
oxide gas above the threshold limit. This will
disable the heater.
A109 External CO Sensor Alarm: Heater Dis-
abled
->Immediately contact a qualied 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. Please 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 ame rod current has deviated from the
startup average. This is indicative of degrada-
tion of the ame 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 ame rod current has deviated from the
startup average by a signicant amount. Clean
and inspect ame rod. Replace if necessary.
T114 Flame Rod Degraded and Needs Servicing
->Clean or replace per use and care manual.
Please contact technical support for assistance.
A115
Monitored characteristics of the combustion sys-
tem indicate degraded performance. Combustion
system needs to be inspected and serviced.
T115 Combustion Health Degraded: Needs
Service
->Combustion system performance is
degraded. Please contact technical support or
service provider for assistance.
A116
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 troubleshoot-
ing, or contact technical support.