Kenmore 153.336340 Owner's Manual page 38

PROBLEM POSSIBLE CAUSE(S) CORRECTIVE ACTION
DRIP FROM RELIEF VALVE 1. Excessive waterpressure 1. Use a pressure reducing valve and relief
2. Heater stacking valve
3. Closed water system 2. Lower the thermostat setting
3. See "Closed System/Thermal Expansion"
THERMOSTAT FAILS TO 1. Thermostat not functioning properly 1. Replace thermostat
SHUT-OFF 2. Improper calibration 2. Replace thermostat
COMBUSTION ODORS 1. Insufficient secondary air 1. Provide ventilation to water heater. Check flue
way, flue baffle, and burner
2. Water heater flue or vent system 2. Clean, locate source and correct
blocked
3. Heater installed in a confined area 3. Provide fresh air ventilation
SMOKING AND CARBON 1. Insufficient secondary air 1.
FORMATION (SOOTING)
2. Low gas pressure
3. Water heater flue or vent system
blocked
4. Thermostat not functioning properly
5. Heater installed in a confined area
6. Burner flame yellow-lazy
7. Incorrect gas conversion (if unit was
converted to use a different type of gas)
2,
3.
Provide ventilation to water heater. Check flue
way, flue baffle, burner
Check with gas utility company
Clean, locate source and correct
4. Replace thermostat
5. Provide fresh air ventilation
6. See "Burner Flame Yellow-Lazy"
7. Contact a qualified technician
CONDENSATION 1. Temperature setting too low 1. Increase the temperature setting. Refer to the
"Condensation" sub-section of this manual's
Troubleshooting Guide.
BURNER FLAME FLOATS
AND LIFTS OFF PORTS
1. Orifice too large
2. High gas pressure
3. Water heater flue or vent system
blocked
4. Cold drafts
5. Incorrect gas conversion (if unit was
converted to use a different type of gas)
1. Replace with correct orifice
2. Check with gas utility company
3. Clean flue and burner-locate source and correct
4. Locate source and correct
5. Contact a qualified technician
BURNER FLAME TOO HIGH 1. Orifice too large 1. Replace with correct orifice
2. Incorrect gas conversion (if unit was 2. Contact a qualified technician
converted to use a different type of gas)
FLAME BURNS AT ORIFICE 1. Thermostat not functioning properly 1. Replace thermostat
2. Low gas pressure 2. Check with gas utility company
3. Incorrect gas conversion (if unit was 3. Contact a qualified technician
converted to use a different type of gas)
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
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