Troubleshooting
Using Control Display for Servicing the
Water Heater
ACCESSING SERVICE MODE ON THE WATER HEATER 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."Max Setpoint” next to Temperature Setpoint value.
Max
Setpoint
idle
Statu Operational s
SELECTSET
Step 2: Pressing “Select” button will change display to next mode
°F Water
Temp
idle
Status Operational
SELECTSET
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”.
Error Code Shown
in Water Heater Display
Status Service Needed
SELECT Lockout RESET
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