Troubleshoot

Other possible solutions:
STEP ONE:
NOTE: BE SURE ELECTRICITY IS TURNED OFF BEFORE PROCEEDING.
Make sure the printed circuit board is mounted in the correct position. This is the top
set of mounting holes (See diagram below). Failure to mount the PCB in the correct
position will cause element burn out and may cause further damage to the unit (This
board may have been incorrectly positioned if serviced previously).
The correct mounting holes
for the PCB on an “ES,EFC,
or EFT” model.
Board mounted in correct
position
Inlet filter
STEP TWO
Inspect the inlet filter (See diagram above for location). Make sure the inlet filter
screen is free from debris, pipe dope or any other foreign materials that may prevent
adequate water flow.
IF HAVING CARRIED OUT ALL THE TESTS LISTED ABOVE AND THE WATER
HEATING UNIT IS STILL NOT FUNCTIONING PROPERLY, PLEASE CALL
TECHNICAL SERVICE AT 1-800-334-3393.
PLEASE HAVE THE FOLLOWING INFORMATION AVAILABLE:
1) ORDER REF. NUMBER (Located on U.L. rating label on the front cover of unit).
2) SERIAL NUMBER (Inside unit on back plate).
7