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22
Before You Call For Service…
Troubleshooting Tips
Save time and money! Review the charts on the following pages first and you may not need to call for service.
This water heater incorporates a combustion shut off device that shuts the operation of the water heater
down if undesirable combustion conditions occur, such as the presence of flammable vapors or blockage of
the combustion air inlet openings. Please contact a Qualified Service Technician if this occurs.
CAUTION: For your safety DO NOT attempt repair of gas piping, gas control (thermostat), burners, vent connectors,
dampers, or other safety devices. Refer repairs to qualified service personnel.
Problem Possible Causes What To Do
Condensation
This usually happens when a
new heater is lled for the rst
time
• This is normal. After the water in the tank warms
up, the condensation will disappear. If, however, the
condition persists, examine the piping and ttings for
possible leaks. Refer to the "Condensation" informa-
tion in the "Installing the Water Heater" section of this
manual.
Moisture from the products of
combustion condensing on the
tank surface.
• This is normal and will disappear in time. Excessive
condensation can cause main burner outage. Refer to
the "Condensation" information in the "Installing the
Water Heater" section of this manual.
An undersized water heater will
cause condenstion.
• Use a water heater size that meets the requirements of
your needs.
Yellow flame
or soot
Scale on top of the burner. • Contact a qualied service technician to purge air from
the gas line.
Flue or combustion air inlet
openings are restricted.
• Remove obstruction or debris from ue or combustion
air inlet openings on water heater jacket.
Not enough combustion or ven-
tilation air supplied to the water
heater location.
• Proper operation of the water heater requires air for
combustion and ventilation. See the "Combustion and
Ventilation Air" information in the "Installing the Water
Heater" section of this manual.
Unable to light
main burner
Air in gas line. • Contact a qualied service technician to purge air from
the gas line.
Pilot burner orice clogged. • Pilot should be cleaned or replaced by a qualied ser-
vice technician.
Pilot burner tube pinched or
clogged.
• The pilot burner should be cleaned, repaired, or re-
placed by a qualied service technician.
Damper unable to open. • Contact a qualied service technician to evaluate
damper.
• Refer to "Gas Valve Error Codes" in the "Gas Valve
LED Codes" section of this manual.
Wire connection(s) not fully
secured.
• Contact a qualied service technician to conrm wire
connection(s).
Combustion shut-off device
tripped.
• Combustion shut-off device should be inspected by a
qualied service technician.
Gas control (thermostat) prob-
lem.
• Contact a qualied service technician.
• Refer to "Gas Valve Error Codes" in the "Gas Valve
LED Codes" section of this manual.
Main burner does not
stay lit
Combustion shut-off device
tripped.
• Combustion shut-off device should be inspected by a
qualied technician.
Gas control (thermostat) shut-
off device tripped.
• Contact a qualied service technician.
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