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Customer Service Troubleshooting Tips Care and Cleaning Operating Instructions Installation Instructions Safety Instructions
Problem Possible Causes What To Do
Rumbling noise Scale and sediment ● Clean tank.
in tank.
Relief valve Pressure build up ● This is an unacceptable condition and must be
producing popping caused by thermal corrected. Contact the water supplier or plumbing
noise or draining expansion to a contractor on how to correct this. Do not plug the
closed system. relief valve outlet.
Not enough or Water usage may have ● Wait for the water heater to recover after an abnormal
no hot water exceeded the capacity demand.
of the water heater.
Low gas pressure. ● Check gas supply pressure and manifold pressure.
The pilot may be out. ● Check the pilot. If necessary, relight using the
instructions in the “Lighting The Water Heater” section
of this manual.
The gas control (thermostat) ● See the “Water Temperature Setting of The Water
may be set too low. Heater” section of this manual.
Leaking or open hot water ● Make sure all faucets are closed.
faucets.
Combustion Shutoff System ● Contact a qualified service technician.
tripped.
Water is too hot The gas control (thermostat) ● See the “Water Temperature Setting of The Water
is set too high. Heater” section of this manual.
Gas control (thermostat). ● Contact a qualified service technician to replace the
Defective gas control (thermostat).
Pilot Lights, but Combustion Shutoff System ● Contact a qualified service technician.
Burner will not tripped.
stay lit
CAUTION: For your safety DO NOT attempt repair of gas piping, gas control (gas control (thermostat)),
burners, vent connectors or other safety devices. Refer repairs to qualified service personnel.
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Troubleshooting Tips
Before you call for service…