Step 5: Pressing “Select” button will return display to setpoint in format selected ( °For ° C) immediately
SELECT SET
Status
°F
idle
Operational
Lower Sensor
Error Codes and Error History Display:
Ift here is an operating problem with the water heater, an error code number will appear on the water heater dis play 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 actio nst o repair the water heater.
Example of Error Code in the Display
Error Code History:
In “Service Mode” pressing the “Select” button after the “Software Version” (item 8 in the previous ly described sequence
of service modes) will show an error code history, if there have been any previous operating problems wit h the water
heater. If the display shows --, there is not a current error code.
The Water Heater Display will provide up to 1 0 previous error codes. The oldest error code will be sto red in code index
#1 and the most recent in code index #10.
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Troubleshooting
SELECT
idle
Service Needed
Lockout RESET
19