State GP6 50 YTVIT - Manual (Page 36)

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Self diagnostic check has detected
a problem with the gas valve driver
circuit, internal microprocessor, or
other internal circuits.
1 Turn the power off for 10-20 seconds then on again to
clear these error codes.
2 If any of these error codes persist or cannot be cleared -
replace the gas control valve/thermostat.
10
Flame signal sensed out of proper
sequence.
1 Turn the power off for 10-20 seconds then on again to
clear these error codes.
2 Replace the gas control valve/thermostat if this error code
persists.
11
Water in the tank has exceeded the
maximum allowable temperature,
activating the ECO (energy cut off).
1 Turn the power off for 10-20 seconds then on again to
clear these error codes.
2 Replace the gas control valve/thermostat if the error code
persists.
12
One or both of the temperature
adjust buttons are stuck.
1 Press and release both temperature adjust buttons
several times - cycle water heater power off and on.
2 Replace the gas control valve/thermostat if the error code
persists.
13
The water temperature sensor
(located in the control valve's
immersion probe) is either open or
shorted.
1 Turn the power off for 10-20 seconds then on again to
clear these error codes.
2 Replace the gas control valve/thermostat if the error code
persists.
14
The FV (fl ammable vapor) sensor
is either open or shorted.
1 Turn off power to the water heater. Ensure all FV sensor
wiring, the ignitor assembly plug, and the ignitor assembly
socket on the bottom of the Intelli-Vent control are making
good contact. Repair or replace any worn/damaged
components that are not making good connection..
2 Replace the FV sensor.
15
Self diagnostic check has detected
the presence of fl ammable vapors
from the FV (fl ammable vapor)
sensor.
1 Do not touch any electrical switch, do not use any phone
in your building, and do not try to light any appliance.
2 Smell around the water heater to ensure there are no gas
leaks at the gas control valve/thermostat, in the supply
gas line(s), or any other type of fl ammable vapor(s) in the
area.
3 Carefully inspect the area surrounding the water heater
for any substances such as gasoline, paint, paint
thinners, varnish, or cleaners that could emit flammable
vapors. Remove anything that can potentially emit
flammable vapors from the area and store it properly in a
different location.
4 Call the technical information support phone number
shown on the water heater labeling for further assistance.
16
Air pressure switch circuit is
opening repeatedly during one
heating cycle.
LDO (Lint, Dust, and Oil) lockout
condition.
1 On models equipped with a dilution air intake screen on
the blower assembly - check/clean the screen.
2 On models equipped with a combustion air intake screen
on the base ring (bottom) of the water heater - check/
clean the screen.
3 Ensure intake air screen(s) on models so equipped are
not obstructed.