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These guidelines should be utilized by a qualified service agent.
TROUBLESHOOTING GUIDELINESTROUBLESHOOTING GUIDELINES
TROUBLESHOOTING GUIDELINESTROUBLESHOOTING GUIDELINES
TROUBLESHOOTING GUIDELINES
Improperly sealed, hot or cold supply connection, Tighten threaded connections.
relief valve, drain valve, or thermostat threads.
Leakage from other appliances or water lines. Inspect other appliances near water heater.
Condensation of flue products. Refer to CONDENSATION.
Thermal expansion in closed water system. Install thermal expansion tank (DO NOT plug T&P valve).
Improperly seated valve. Check relief valve for proper operation
(DO NOT plug T&P valve).
High sulfate or mineral content in water supply. Drain and flush heater thoroughly, then refill.
Bacteria in water supply. Chlorinate or aerate water supply.
Gas control knob not positioned correctly. Refer to LIGHTING INSTRUCTIONS.
Main gas supply off. Turn on main gas Shut-off valve.
Thermocouple malfunction. Replace pilot assembly and/or thermocouple.
Match not close to pilot Locate pilot, move match closer.
Thermocouple malfunction. Replace pilot assembly and/or thermocouple.
Defective Gas Control. Replace Gas Control.
Dirty pilot burner. Clean pilot assembly.
Thermocouple malfunction. Replace pilot assembly and/or thermocouple.
Thermocouple tip is not in contact with pilot flame. Insert thermocouple correctly.
Defective Gas Control. Replace Gas Control.
Heater not lit or thermostat not on. Refer to LIGHTING INSTRUCTIONS.
Thermostat set too low. Refer to TEMPERATURE REGULATION.
Heater undersized. Reduce hot water use.
Low gas pressure. Contact your gas supplier.
Incoming water is unusually cold. Allow more time for heater to re-heat.
Leaking hot water pipes or fixtures. Have plumber check and repair leaks.
High temperature limit switch activated. Contact a service agency to determine cause.
Thermostat set too high. Refer to TEMPERATURE REGULATION.
Condensation dripping on burner. Refer to CONDENSATION.
Sediment or calcium in bottom of heater tank. Clean sediment from tank. Refer to DRAINING
instructions in Maintenance section of manual.
Improper combustion. No adjustment available. Contact a service agency
to determine cause.
Lack of supply air.
Improperly installed vent piping. Contact a service agency to determine cause.
Downdraft.
Poor combustion.
SOOTING
WATER LEAKS
LEAKING T&P VALVE
SMELLY ODORS
PILOT OUTAGE
VENT GAS ODORS
BURNER WILL NOT
STAY LIT
WATER TOO HOT
WATER HEATER SOUNDS
PILOT WILL NOT LIGHT
NOT ENOUGH
HOT WATER
Problem Cause Solution
SIZZLING OR
RUMBLING