Service Manual

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°F
Troubleshooting
Accessing Service Mode on Control Display
(FOR SERVICE PERSONNEL ONLY)
The display has a “service mode” for changing the maximum setpoint and accessing information in aiding
servicing of the water heater. This procedure is for service and installation personnel only. To enter the Service
Mode, follow the steps illustrated below:
Step 1: Press Select and Temperature Up buttons together and hold for 3 seconds until “Max Setpoint” is
shown in the display.
Step 2: Pressing Select button will change display to next mode.
The following is the sequence of modes available in Service Mode by pressing the Select button.
Error Code Number (Display/Reset). This is only shown if there is an operating error in the User Mode.
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