34
120 volt potential exposure. Isolate the
appliance and reconfirm power is disconnected
using a multi-meter.
WARNING
Service Procedure VIII:
Ignition Module/Control Board Replacement
Control Board Replacement
Step 1.
Position main power switch to “OFF”
Step 2.
Disconnect (unplug) water heater from 120 volt
power source.
Step 3.
Un-latch and remove top surround cover from top of
water heater.
Step 4.
Locate control board.
Step 5.
Carefully disconnect all wire connections from control board.
Note:
It may be necessary to identify wires for proper re-connection.
Step 6.
Depress the plastic tabs on the bottom side of the control board first.
Step 7.
Tilt the control panel and slide control hook tabs from slots in the control panel (see photo below).
Step 8.
Replace control board and all wire connections.
Step 9.
Restore 120 volt power supply to water heater and confirm proper operation following the lighting instructions
on the lighting instruction label, or the lighting instruction located in the installation and operating instruction
manual.
Step 10. Replace surround cover on top of water heater.
Control Board
Unclip here
These two connections may
not be on all controls
34