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PROBLEM POSSIBLE CAUSE(S) CORRECTIVE ACTION
BURNER WILL NOT IGNITE 1. Pilot not lit
2. Thermostat set too low
3. No gas
4. Dirt in the gas lines
5. Pilot line clogged
6. Main burner line clogged
7. Non-functioning thermocouple
8. Non-functioning thermostat
9. Heater installed in a confined area
1. Light pilot
2. Turn temp. dial to desired temperature
3. Check with gas utility company
4. Notify utility-install trap in gas line
5. Clean, locate source and correct
6. Clean, locate source and correct
7. Replace thermocouple
8. Replace thermostat
9. Provide fresh air ventilation
SMELLY WATER 1. Sulfides in the water 1. Replace the anode with a special anode
PILOT WILL NOT LIGHT 1. Air in gas line
2. No gas
3. Dirt in gas lines
4. Pilot line or orifice clogged
5. Cold drafts
6. Thermostat ECO switch open
7. Non-functioning igniter
8. Flammable vapor incident
9. Low gas pressure
10. Air for combustion obstructed
11. Pilot dirty
1. Bleed the air from the gas line
2. Check with gas utility company
3. Notify utility-install dirt trap in gas line
4. Clean, locate source and correct
5. Locate source and correct
6. Replace thermostat
7. Replace igniter pilot assembly
8. Eliminate flammable vapor source(s)
Call 1-800-4-MY-HOME
®
(1-800-469-4663)
9. Check with gas utility company
10. See service and adjustment section for
inspection and cleaning of flame arrestor
& burner
11. Clean pilot
PILOT WILL NOT REMAIN LIT 1. Air in gas line
2. Dirt in gas lines
3. Pilot line or orifice clogged
4. Thermocouple connection loose
5. Non-functioning thermocouple
6. Cold drafts
7. Flammable vapor incident
8. Low gas pressure
9. Air for combustion obstructed
10. Pilot dirty
1. Bleed the air from the gas line
2. Notify utility-install dirt trap in gas line
3. Clean, locate source and correct
4. Finger tighten; then 1/2 turn with wrench
5. Replace thermocouple
6. Locate source and correct
7. Eliminate flammable vapor source(s)
Call 1-800-4-MY-HOME
®
(1-800-469-4663)
8. Check with gas utility company
9. See service and adjustment section for
inspection and cleaning of flame arrestor
& burner
10. Clean pilot
HIGH OPERATION COSTS 1. Thermostat set too high
2. Sediment or lime in tank
3. Water heater too small for job
4. Wrong piping connections
5. Leaking faucets
6. Gas leaks
7. Wasted hot water
8. Long runs of exposed piping
9. Hot water piping in exposed wall
1. Set temperature dial to lower setting
2. Drain/flush-provide water treatment if
needed
3. Install adequate heater
4. Correct piping-dip tube must be in cold
inlet
5. Repair faucets
6. Check with utility-repair at once
7. Advise customer
8. Insulate piping
9. Insulate piping
INSUFFICIENT HOT WATER 1. Thermostat set too low
2. Sediment or lime in tank
3. Water heater too small
4. Wrong piping connections
5. Leaking faucets
6. Wasted hot water
7. Long runs of exposed piping
8. Hot water piping in outside wall
9. Low gas pressure
1. Turn temperature dial to desired setting
2. Drain/flush-provide water treatment if
needed
3. Install adequate heater
4. Correct piping-dip tube must be in cold
inlet
5 Repair faucets
6. Advise customer
7. Insulate piping
8. Insulate piping
9. Check with gas utility company
SLOW HOT WATER
RECOVERY
1. Insufficient air
2. Flue clogged
3. Low gas pressure
4. Improper calibration
5. Thermostat set too low
6. Water heater too small
7. Wrong piping connections
8. Wasted hot water
1. 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
TROUBLESHOOTING GUIDE