Kenmore THE ECONOMIZER 153.33205 - Manual (Page 30)

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.
PROBLEM CAUSE
31IIÎE 1
NOT ENOUGH HOT
WATER
1.) 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 thermostat.
g. Blower motor defective. Replace blower assembly.
2.) Thermostat problems
a. Thermostat set too low.
Adiust temperature control higher.
b. Thermostat or ECO defective. Replace thermostat.
3.) Others
a. Heater undersized.
Reduce hot water use.
b. Low gas pressure. Contact gas supplier.
c. Incoming water is usually cold. Allow more time for heater to reheat.
d. Leaking hot water pipes of fixtures. Have plumber check and repair leaks.
e. Heater not lit or thermostat not on. Refer to OPERATING INSTRUCTIONS.
VENT PIPE TOO HOT
(ABOVE 170°f)
Defective air flow restrictor.
Take unit out of service immediately; contact a
Sears Service Center to determine cause.
Not enough dilution air to mix w/ith flue gases.
Proper dilution air must be provided for combustion
and dilution of flue temp. Refer to INSTALLATION section.
Dilution air too hot for mixing with flue gases.
Supply air is too hot. Check for heat sources around
and/or blockage of dilution air intake.
Wrong burner orifice. Install correct orifice.
YELLOW FLAME
Dirt in burner ports. Turn off heater and gas. clean burner head.
Combustion air path restricted.
Check dilution air intake, exhaust venting, and air openings
in bottom base pan for obstructions or blockage.
Not enough dilution air for proper combustion. Check dilution air intake f o r obstructions or blockage.
CONDENSATION
Water on the floor under heater. See CONDENSATION section and Start Up Conditions.
Water dripping from blower assembly. Provide drip “TEE” to catch condensate.
WATER LEAKS
Improperly sealed, hot or cold supply connections,
relief valve, drain valve, or thermostat threads.
Tighten threaded connections.
Remove cap on Rubber Boot Vent Terminal of Blower
Assembly and install a drain tube to port as per required
codes.
Leakage from other appliances or wafer lines. Inspect other appliances near water heater.
Condensation of flue products. Refer to CONDENSATION section and Start Up Conditions,
LEAKING T&P
Condensation of flue products. Refer to CONDENSATION section and Start Up Conditions,
Thermal expansion in dosed 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).
HOT WATER ODORS
(refer to cathodic
protection)
High sulfate or mineral content in water supply. Drain and flush heater thoroughly then refill.
Bacteria in water supply Chlorinate water supply.
WATER TOO HOT Thermostat set too high. Refer to TEMPERATURE REGULATION section.
WATER HEATER
SOUNDS
Condensate dripping on burner. Refer to CONDENSATION above.
SIZZLING-RUMBLING Sediment at bottom of heater tank. Clean sediment from tank. Refer to DRAINING.
SOOTING Improper combustion. Refer to Air Requirements on Pages 10 and 11.
BURNER WILL NOT
STAY LIT ~ GOES OUT
4-5 SECONDS
Outlet polarity is reversed. Test polarity and correct.
High ambient room temperature. Contact a Sears Service Center to determine cause.
Dirty or clogged air intake screen (at base of
heater).
Clean and reinstall air intake screen.
Dirty or clogged lint screen {on blower assembly). Clean and reinstall lint screen.
Flame arrestor opening blocked. Contact a Sears Service Center to determine cause.
Defective gas valve. Replace gas valve.
VENT GAS ODORS
Lack of air supply.
Contact a Sears Service Center to determine cause.
Improperly Installed vent piping.
Downdraft
Poor combustion
30