Troubleshooting
Step 5: Pressing “Select” button will return display to setpoint in format selected (°F or °C) immediately
°F
idle
Status Operational
Lower Sensor
SELECTSET
Error Codes and Error History Display:
If there is an operating problem with the water heater, an error code number will appear on the water heater display with “Service Needed” to the right of the “Status” indicator. The error code label is located under the water heater display. The following section in this Service Manual explains the error codes with corrective actions to repair the water heater.
Example of Error Code in the Display
idle Service Needed
SELECT | Lockout RESET |
Error Code History:
In “Service Mode” pressing the “Select” button after the “Software Version” (item 8 in the previously described sequence of service modes) will show an error code history, if there have been any previous operating problems with the water heater. If the display shows
The Water Heater Display will provide up to 10 previous error codes. The oldest error code will be stored in code index #1 and the most recent in code index #10.
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