Service Manual

27
Service Procedure I
Thermostat Circuit Testing and Replacement (Continued)
WARNING
DO NOT operate the water heater without
verifying that the overheating condition has
been corrected.
Once cause of overheating condition
has been diagnosed and corrected, the
control board may be reset.
• 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.
Condition: Water heater not operating. Digital
display shows error code 80 high water
temperature (over 207°F) (continued from
previous page).
Continued from previous page.
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