SERVICE PROCEDURE PDV24-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 corrected .
Once cause of overheating con dition has been diagnosed
and corrected, the control may be reset
Reconnect and switch on power to th e water heater.
Enter service mode on the water heater display (see illustrati on)
Press button under “Lockout Reset” and hold for 3 seconds.
Set thermostat to the desired set ting.
Water heater should start.
Monitor temperatures for one complete heating cycle making
sure the maximum tank temperatur e remains well below 200 deg. F
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