Maytag HRN31250P - Manual (Page 40)

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These guidelines should be used by a qualified Maytag Customer Service Center Agent. Call the
Maytag Customer Service Center at 1-800-788-8899 for assistance.
Problem Cause Solution
Blower will not run.
A) “ON/OFF” control switch turned off Turn switch to the “ON” position.
B) Blower unplugged. Plug blower back into 115 VAC outlet.
C) No power at outlet. Repair service to outlet.
D) Thermostat defective. Replace thermostat.
E) Control harness defective. Replace control harness.
F) High limit control circuit open. Replace ECO.
G) Blower motor defective. Replace blower assembly.
Thermostat problems.
A) Thermostat set too low. Set temperature control higher.
B) Thermostat or ECO defective. Replace thermostat or ECO as required.
Others.
A) Heater undersized. Reduce hot water use.
B) Low gas pressure. Contact dealer.
C) Incoming water is unusually cold. Allow more time for heater to reheat.
D) Leaking hot water pipes or fixtures. Have plumber check and repair leaks.
A) Not enough dilution air to mix with flue gases. Proper dilution air must be provided for dilution of flue
temp. Refer to “Installation Instructions” section.
B) Dilution air too hot for mixing with flue gases. Check for heat sources around and/or blockage of
dilution air intake at draft hood. (see page 28).
C) Wrong burner assembly. Install correct orifice.
A) Dirt in burner ports. Turn off heater and gas, clean burner head.
B) Combustion air path restricted. Check dilution air intake, exhaust venting and air openings
in bottom base pan for obstructions or blockage.
C) Not enough dilution air. Check dilution air intake for obstructions or blockage.
A) Water on the floor under heater. See “Condensation” section.
B) Water dripping from the blower assembly. Provide drip “TEE” to catch condensation from horizontal
section of exhaust vent close to blower assembly.
Improperly sealed, hot or cold supply connections, Tighten threaded connections.
relief valve, drain valve or thermostat threads.
Leakage from other appliances or water lines. Inspect other appliances near the water heater.
Condensation of flue products. See “Condensation” section.
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 water supply.
Thermostat set too high. Refer to TEMPERATURE REGULATION.
Condensation dripping on burner. See “Condensation” section.
Sediment at bottom of heater tank. Clean sediment from tank. Refer to “Draining” instruction
in “Maintenance” section of manual.
Improper combustion. Refer to “Combustion Air and Ventilation” on pages 11-14.
Outlet polarity is reversed. Test polarity and correct.
WATER LEAKS
LEAKING T & P
NOT ENOUGH
HOT WATER
VENT PIPE TOO HOT
(ABOVE 170 O F
CONDENSATION
YELLOW FLAME
HOT WATER ODORS
(Refer to Smelly Water)
TROUBLESHOOTING (Continued)
WATER TOO HOT
WATER HEATER SOUNDS
SIZZLING-RUMBLING
SOOTING
HEATER LIGHTS BUT GOES
OUT IN 4-5 SECONDS