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LED FLASH SEQUENCE
Six-Two Flash, three second pause
Six-Three Flash, three second pause
Six-Four Flash, three second pause
Seven Flash, three second pause
Eight-One Flash, three second pause
Eight-Two Flash, three second pause
Eight-Three Flash, three second pause
Eight-Four Flash, three second pause
* Soft Lockout - 20 minute wait before returning to normal mode.
STATUS LIGHT TROUBLESHOOTING FLOWCHART
CONTROL STATUS
Soft Lockout* - Recycle Limit - Flame Lost -
END Switch Fails
Soft Lockout* - Recycle Limit - Flame Lost
Soft Lockout* - Flame out of Sequence Sensed
Flammable Vapor Sensor (FVS) Lockout
Flammable Vapor Sensor (FVS) Fault Detected
Temperature Sensor Fault Detected
Electronic Fault Detected
Gas Control Valve/Thermostat Fault Detected
CORRECTIVE ACTION
Turn the power switch on the gas control valve to the "OFF" position and unplug the power cord
from the power outlet.
1.
Check all wiring connections to insure all harness and wire connections are seated firmly and
provide proper electrical contact. If no connection problems are found replace the damper. Firmly
seat any loose connections found. If any connections are found to be damaged consult the
replacement parts list on page 43 for the appropriate replacement. After any connection problems
are fixed restart the water heater by following the lighting instructions on page 24. If the problem
persists replace the damper.
Turn the power switch on the gas control valve to the "OFF" position and unplug the power cord
from the power outlet.
1.
Check the incoming gas line pressure to ensure adequate supply to the water heater. If
incoming gas supply pressure is adequate proceed to step 2.
2.
Check all wiring connections and insure all harness and wires connections are seated firmly
and provide proper electrical contact. If no connection problems are found proceed to step 3.
Firmly seat any loose connections found. If any connections are found to be damaged consult
the replacement parts list for the appropriate replacement. After any connection problems are
fixed restart the water heater by following the lighting instructions on page 24. If the problem
persists proceed to step 3.
3.
Check condition of the base ring filter and flame arrestor. If they are clogged follow the
instructions for cleaning on page 32. If parts are not clogged proceed to step 4. After cleaning
follow instructions for lighting on page 24. If problem persists proceed to step 4.
4.
Follow the instructions on page 31 to remove the burner assembly. Once the burner assembly
has been removed inspect the manifold tube and burner, see figure 36 , for any obstructions.
If any clogs or obstructions are present clear them. Inspect the electrode/flame sense rod,
see figure 43 , for corrosion buildup, degradation, or damage. If there is evidence of any
damage to the electrode/flame sense rod replace the igniter/pilot assembly. Follow the
directions on page 32 to re-install the burner assembly into the combustion chamber. Follow
the instructions for lighting on page 24. If the problem persists contact a qualified service
representative.
Turn the power switch on the gas control valve to the "OFF" position and unplug the power cord from
the power outlet. Wait 10 minutes then follow the lighting instructions on page 24. If the problem
persists replace the gas control valve.
1.
Do not touch any electrical switch, do not use any phone in the 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 or in
the supply gas line or for any other type of flammable vapors 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.
Contact a qualified service representative for inspection and/or replacement of the FV
sensor.
Turn the power switch on the gas control valve to the "OFF" position, wait 10-20 seconds then turn
the power switch on the gas control valve to the "ON" position. If the problem persists replace the
gas valve.
Turn the power switch on the gas control valve to the "OFF" position, wait 10-20 seconds then turn
the power switch on the gas control valve to the "ON" position. If the problem persists replace the
gas valve.
Turn the power switch on the gas control valve to the "OFF" position, wait 10-20 seconds then turn
the power switch on the gas control valve to the "ON" position. If the problem persists replace the
gas valve.
Turn the power switch on the gas control valve to the "OFF" position, wait 10-20 seconds then turn
the power switch on the gas control valve to the "ON" position. If the problem persists replace the
gas valve.
41
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Table of Contents
Troubleshooting
