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