SERVICE PROCEDURE D24-I
Thermostat Circuit Testing
Condition: Water Heater Not Operating
Display shows error code “65”
High Water Temperature (over 200 deg. F)
Continued
WARNING!
Do not operate water heater without verifying that the overheating condition has been corre cted.
Once cause of overheatin g condition has bee n diagnosed
and corrected, the contro l may be reset
Reconnect and switch on power to the waterheater.
Enter service mode on th e water heater dis play (see
illustration)
Press button under “Lo ckout Reset” and ho ld for 3
seconds.
Set thermostat to the desired setti ng.
Water heater should star t.
Monitor temperatures f or one complete h eating cycle
making sure the maximumtank temperature remainswell
below 200 deg. F
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