Kenmore 153.337021 Use & Care Manual page 39

PROBLEM
SLOW HOT WATER
RECOVERY
DRIP FROM RELIEF VALVE
CORRECTIVE ACTION
1. 1.
POSSIBLE CAUSE(S)
Insufficient secondary air
2. Flue clogged
3. Low gas pressure
4. Improper calibration
5. Thermostat set too tow
6. Water heater too small
7. Wrong piping connections
8. Wasted hot water
1. Excessive water pressure
2. Heater stacking 2.
3. Closed water system 3.
THERMOSTAT FAILS TO 1. Thermostat not functioning properly 1.
SHUT-OFF 2. Improper calibration 2.
COMBUSTION ODORS 1. Insufficient secondary air 1.
2. Flue clogged 2.
3. Heater installed in a confined area 3.
SMOKING AND CARBON 1. Insufficient secondary air 1.
FORMATION (SOOTING)
CONDENSATION
BURNER FLAME FLOATS
AND LIFTS OFF PORTS
2. Low gas pressure
3. Flue clogged
4. Thermostat not functioning properly
5. Heater installed in a confined area
6. Burner flame yellow-lazy
1. Temperature setting too low
1. Orifice too large
2. High gas pressure
3. Flue clogged
Provide ventilation to water heater. Check
flue way, flue baffle, and burner
2. Clean flue, locate source and correct
3. Check with gas utility company
4. Replace thermostat
5. Turn temperature dial to desired setting
6. Install adequate heater
7. Correct piping-dip tube must be in cold
inlet
8. Advise customer
Use a pressure reducing valve and relief
valve
Lower the thermostat setting
See "Closed System/Thermal Expansion"
Replace thermostat
Replace thermostat
Provide ventilation to water heater. Check
flue way, flue baffle, and burner
Clean, locate source and correct
Provide fresh air ventilation
Provide ventilation to water heater. Check
flue way, flue baffle, burner
2. Check with gas utility company
3. Clean, locate source and correct
4. Replace thermostat
5. Provide fresh air ventilation
6. See "Burner Flame Yellow-Lazy"
4. Cold drafts 4.
BURNER FLAME TOO HIGH 1. Orifice too large 1. Replace with correct orifice
FLAME BURNS AT ORIFICE 1. Thermostat not functioning properly 1. Replace thermostat
2. Low gas pressure 2. Check with gas utility company
PILOT FLAME 1. Pilot line or orifice clogged 1. Clean, locate source and correct
TOO SMALL 2. Low gas pressure 2. Check with gas utility company
1. Increase the temperature setting
1. Replace with correct orifice
2. Check with gas utility company
3. Clean flue and burner-locate source and
correct
Locate source and correct
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