Troubleshooting - State Water Heaters DIRECT VENT GAS WATER HEATERS Instruction Manual

TROUBLESHOOTING GUIDELINES TROUBLESHOOTING GUIDELINES
TROUBLESHOOTING GUIDELINES TROUBLESHOOTING GUIDELINES TROUBLESHOOTING GUIDELINES
Problem
WATER LEAKS
LEAKING T&P VALVE
HOT WATER ODORS
PILOT OUTAGE
PILOT WILL NOT LIGHT
NOT ENOUGH OR
NO HOT WATER
WATER TOO HOT
WATER HEATER SOUNDS:
SIZZLING - RUMBLING
SOOTING
These guidelines should be utilized by a qualified service agent.
Cause
Improperly sealed, hot or cold supply connection,
relief valve, drain valve, or thermostat threads.
Leakage from other appliances or water lines.
Condensation of flue products.
Thermal expansion in closed water system.
Improperly seated valve.
High sulfate or mineral content in water supply.
Bacteria in water supply.
Dirty pilot burner.
Thermocouple tip is not in contact with pilot flame.
Thermocouple malfunction.
Thermocouple malfunction.
Gas knob dial not positioned correctly.
Pilot orifice clogged.
Pinched or clogged pilot tube.
Main gas supply off.
Heater not lit or thermostat not on.
Thermostat set too low.
Heater undersized.
Low gas pressure.
Incoming water is unusually cold.
Leaking hot water pipes or fixtures.
High temperature limit switch activated.
Thermostat set too high.
Condensate dripping on burner.
Sediment at bottom of heater tank.
Improper combustion.
Solution
Tighten threaded connections.
Inspect other appliances near water heater.
Refer to CONDENSATION.
Install thermal expansion tank (DO NOT plug T&P valve).
Check relief valve for proper operation
(DO NOT plug T&P valve).
Drain and flush heater thoroughly, then refill.
Chlorinate or aerate water supply.
Clean pilot assembly.
Insert thermocouple correctly.
Replace thermocouple.
Check thermostat.
Refer to LIGHTING INSTRUCTIONS.
Clean or replace pilot orifice.
Replace pilot tube.
Turn on main gas shut-off valve.
Refer to LIGHTING INSTRUCTIONS.
Refer to TEMPERATURE REGULATION.
Reduce the hot water use.
Contact dealer.
Allow more time for heater to re-heat.
Have a plumber check and repair leaks.
Contact a Service Agency to determine cause.
Refer to HIGH TEMPERATURE REGULATION.
Refer to CONDENSATE.
Clean sediment from tank. Refer to DRAINING instructions
in Maintenance section of manual.
Refer to FACTS TO CONSIDER ABOUT THE LOCATION,
see Figure 2 on page 6.
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