Filter
Top Products
Does damper blade move to the full
open position?
Error code #55 on display.
R
emove damper from heater and
jump black & yellow wires of
heater harness. Refer to photo on
this page.
Does water heater begin to
operate?
Check for debris limiting damper
rotation. If no debris, replace
damper.
I
s there pilot flame?
Error code #62 on display. See
“Pilot Will Not Light”.
Does Main Burner operate?
Error code #62 on display. See
“Pilot Lights, No Flame Signal”
Does burner continue until
thermostat set point is reached?
See setting display in Service Mode
and displaying temperature
sensors.
Error code #63 on display. See
“Main Burner Short Cycles”.
Does the flue damper rotate to the
fully closed position?
Error code #56 on display.
Check for debris limiting damper
rotation. If no debris, replace
damper
System okay
Damper vane show in open position. If damper
is closed, disconnect from harness and
REMOVE damper from water heater.
Harness shown disconnected from
damper with BLACK and YELLOW
wires jumped.
CAUTION
Use Caution Not to Damage Connectors when making Voltage Measurements or Jumping Terminals
N
YY
N
N
N
N
Y
Y
Y
Y
From previous page
Example of error code shown on control display.
Page 8
SELECT Lockout RESET
Status
Service Needed
Error Code Shown
in Water Heater Display
Troubleshooting
6
8