Service Manual

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 su
rround cover
from top of water heater.
Step 4. Locate control board.
Step 5. Remove 4 screws that attach display panel
to control panel (save screws).
Step 6.
Carefully disconnect all wire connections from
control board (Identify all wire connections)
Step 7. Depress tabs on the top of control first then til
t
the control forward.
Step 8. Unhook the tabs on the control out of the slots on
the control panel and remove control.
Step 9. Replace co
ntrol board and all wire connections.
Step 10. Re-attach the display panel from step 5 using the
same screws.
Step 11. Restore 120 volt power s
upply to water
heater and confirm proper operation following
the lighting instructions on the lighting
instruction label or the lighting ins
truction
located in the installation and operating
instruction manual.
Step 12. Replace surround cover on top of water heater.
WARNING
120 volt potential exposure. Isolate the
appliance and reconfirm power is
disconnected using a multi-meter.
Unclip this
side second
Remove
Screws (X4)
Control Board
43
Display panel
Identify wires for
proper re-connection
Unclip this
side first
43