21
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.
Problem Possible Causes What To Do
Condensation This usually happens when This is normal. After the water in the tank warms
a new water heater is up, the condensation will disappear. If, however, the
filled for the first time. condition persists, examine the piping and fittings
for possible leaks.
Moisture from the products This is normal and will disappear in time. Excessive
of combustion condensing condensation can cause pilot burner outage.
on the tank surface.
An undersized water Use a water heater size that meets the requirements
heater will cause of your needs.
condensation.
Yellow flame Scale on top of the burner. Contact a qualified service technician to remove scale.
or soot Flue or Combustion air inlet Remove obstruction or debris from flue or
openings are restricted. combustion air inlet openings on water heater jacket.
Not enough combustion or Proper operation of the water heater requires air for
ventilation air supplied to combustion and ventilation. See the Combustion and
the water heater location. Ventilation Air information in the “Installing The
Water Heater” section of this manual.
Unable to light Air in gas line. Contact a qualified service technician to purge the air
the pilot burner from the gas line.
Pilot burner orifice clogged. The pilot burner should be cleaned or replaced by a
qualified service technician.
Pilot burner tube pinched or The pilot burner should be cleaned, repaired or
clogged. replaced by a qualified service technician.
Gas Control Knob not depressed See the “Lighting The Water Heater” section of this
while attempting to light pilot. manual.
Pilot burner does not stay Loose thermocouple. The connection at the gas control (thermostat) should
lit when the gas control be tightened by a qualified service technician.
knob is released
Thermocouple defective. The thermocouple should be replaced by a qualified
service technician.
Safety magnet defective. The gas control (thermostat) should be replaced by a
qualified service technician.
Gas Controls (Thermostat’s) The gas control (thermostat) should be replaced by a
single use gas shut-off device qualified service technician.
has opened.
Combustion Shutoff Device The combustion shutoff device should be inspected
Tripped. by a qualified service technician.
CAUTION: For your safety DO NOT attempt repair of gas piping, gas control (thermostat), burners, vent connectors or
other safety devices. Refer repairs to qualified service personnel.
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