Service Manual

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Service Procedure I:
Thermostat Circuit Testing and Replacement (Continued)
DO NOT operate water heater without
verifying that the overheating condition has
been corrected.
WARNING
Condition: Water heater not operating. Display
shows error code 80 high water temperature (over
207°F (97.2°C)) (continued from previous page).
• Reconnect and switch on power to the water heater.
• Press button under “Reset” and hold for 3 seconds.
• Set thermostat to the desired setting.
• Water heater will start.
• Monitor temperatures for one complete heating cycle making sure
the maximum tank temperature remains below 207°F (97.2°C).
Once cause of overheating condition has been
diagnosed and corrected, the control may be reset.
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