Rheem GHE119SS - Page 47

47
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 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 techni-
cal 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
conguration settings. Check wiring between the dis-
play 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.
A109
CO sensor detects presence of carbon monoxide gas
above the threshold limit. This will disable the heater.
A109 External CO Sensor Alarm: Heater Disabled
->Immediately contact a qualied service provider.
A110
Monthly test of automatic shuto󰀨 valve (premium mod-
els only) was not completed properly. The valve did not
close in the allotted time.
A110 Shuto󰀨 Valve Test Close Error
->Auto Shuto󰀨 valve failed to close during test
cycle. Please contact technical support or service
provider.
A111
Monthly test of automatic shuto󰀨 valve (premium mod-
els only) was not completed properly. The valve did not
open in the allotted time. This will disable the heater.
A111 Shuto󰀨 Valve Test Open Error
->Water heater has been disabled. Manually open
valve. Please contact technical support or service
provider.
A112
Automatic shuto󰀨 valve (premium models only) is
closed. This will disable the heater.
A112 Shuto󰀨 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 degradation 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 system
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 troubleshooting, or contact
technical support.