TROUBLESHOOTING GUIDELINES
These guidelines should be utilized by a qualified service agent. When calling for service notify the service agent that this is a “Flammable Vapor Ignition Resistant” Product.
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| Improperly sealed, hot or cold supply connection, relief valve, | Tighten threaded connections. |
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WATER LEAKS | 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 CONDENSATE. |
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| Thermal expansion in closed water system. | Install | thermal expansion tank | (DO | NOT | plug T&P | |
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LEAKING T&P VALVE |
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Improperly seated valves. | Check relief valve for proper operation (DO NOT plug | ||||||
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| T&P valve. |
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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. |
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| Main gas supply off. | Turn on main gas |
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| Igniter tip more than 1/8” from pilot hood. | Adjust ignitor tip. |
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| Thermocouple malfunction. | Replace pilot assembly. |
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PILOT WILL NOT LIGHT | Thermocouple TCO malfunction. | Replace pilot assembly. |
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Melted insulation on ignitor wire or shorting of ignitor wire. | Contact a service agency to determine cause. | ||||||
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| High ambient room temperature. | Contact a service agency to determine cause. | |||||
| Wire disconnected from spark ignitor. | Reconnect wire connector to spark ignitor. |
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| Broken electrode or electrical wire. | Replace pilot assembly. |
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| Piezo ignitor generator fails to operate or malfunctions. | Replace Piezo ignitor generator. |
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| Thermocouple TCO malfunction. | Replace pilot assembly. |
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| High ambient room temperature. | Contact a service agency to determine cause. | |||||
BURNER WILL NOT STAY LIT |
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Dirty or clogged air intake screen. | Clean and reinstall air intake screen. |
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| Flame arrestor openings blocked. | Contact a service agency to determine cause. | |||||
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| Defective Gas Control. | Replace gas control. |
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| Dirty pilot burner. | Clean pilot assembly. |
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| Dirty or clogged air intake screen. | Clean and reinstall air intake screen. |
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PILOT OUTAGE | Thermocouple tip is not in contact with pilot flame. | Insert thermocouple correctly. |
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Thermocouple malfunction. | Replace pilot assembly. |
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| Thermocouple TCO malfunction. | Replace pilot assembly. |
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| Defective Gas control. | Replace Gas Control. |
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| Heater not lit or thermostat not on. | Refer to LIGHTING INSTRUCTIONS. |
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| Thermostat set too low. | Refer to TEMPERATURE REGULATION. |
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| Heater undersized. | Reduce hot water use. |
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NOT ENOUGH HOT WATER | Low gas pressure. | Contact your gas supplier. |
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| Incoming water is unusually cold. | Allow more time for heater to |
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| 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. |
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Water HEATER SOUNDS | Condensation dripping on burner. | Refer to CONDENSATE above. |
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| Sediment or calcium in bottom of heater tank. | Clean | sediment from tank. | Refer | to | DRAINING | |
instructions in Maintenance section of manual. | |||||||
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SOOTING |
| No adjustment available. Immediately shut down the | |||||
Improper combustion. | water heater and contact a service agency to determine | ||||||
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| Lack of supply air. |
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VENT GAS ODORS | Improperly installed vent piping. | Immediately shut down the water heater and contact a | |||||
Downdraft. | service agency to determine cause. |
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| Poor combustion. |
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