Kenmore 57240 User Manual download pdf (Page 37)

TROUBLESHOOTING CHART

PROBLEM POSSIBLE CAUSE(S) CORRECTIVE ACTION

BURNER WILL NOT IGNITE 1. Pilot not lit

2. Thermostat set too low

3. Main burner line clogged

4. Non-functioning thermostat

5. Base-Ring Filter blocked with lint/dust

6. Heater installed in a confined area

7. FVIR Flame Arrestor blocked with lint/

dust.

1. Light pilot

2. Turn temp. dial to desired temperature

3. Clean, locate source and correct

4. Check status light codes and reference

the “Status Light and Diagnostic Code

Troubleshooting Chart”

5. Clean filter, See “External Cleaning &

Inspection of the Base-Ring Filter” section.

6. Provide fresh air ventilation

7. Clean filter, See “Cleaning the Combustion

Chamber and Flame-Arrestor” section.

SMELLY WATER 1. Sulfides in the water 1. Replace the anode with a special anode (See

Smelly Odor section)

BURNER FLAME YELLOW-

LAZY

1. Insufficient combustion air

2. Low gas pressure

3. Water heater flue or vent system

blocked

4. Main burner line clogged

5. Base-Ring Filter blocked with lint/dust

6. Heater installed in a confined area

7. FVIR Flame Arrestor blocked with lint/

dust.

8. Obstruction in main burner orifice

1. Provide ventilation to water heater

2. Check with gas utility company

3. Clean, locate source and correct

4. Clean, locate source and correct

5. Clean filter, See “External Cleaning &

Inspection of the Base-Ring Filter” section.

6. Proper fresh air ventilation

7. Clean filter, See “Cleaning the Combustion

Chamber and Flame-Arrestor” section.

8. Clean or replace orifice

PILOT WILL NOT LIGHT OR

REMAIN LIT

1. Non-functioning igniter

2. The thermal switch tripped

3. Wire lead connection at thermal switch

loose

4. Thermopile connection loose

5. Air in gas line

6. Low gas pressure

7. No gas

8. Dirt in gas lines

9. Cold drafts

10. Thermostat temperature limit was

exceeded, status light will blink 4

flashes

11. Pilot line or orifice clogged

12. Non-functioning thermopile

13. Air for combustion obstructed

14. FVIR Flame Arrestor blocked with lint/

dust

15. Flammable vapors incident, FVIR

function actuated

16. Base-Ring Filter blocked with lint/dust

1. Replace gas control valve/thermostat

2. See Pilot Light Troubleshooting Flowchart section

3. Remove and reconnect the wire leads at

thermal switch, confirm connections are tight

and not loose

4. Finger tighten; then 1/4 turn with wrench

5. Bleed the air from the gas line

6. Check with gas utility company

7. Check with gas utility company

8. Notify utility-install dirt trap in gas line

9. Locate source and correct

10. Replace thermostat

11. Clean, locate source and correct

12. Replace thermopile

13. See maintenance section for inspection and

cleaning of flame arrester

14. Clean filter, See “Cleaning the Combustion

Chamber and Flame-Arrestor” section.

15. Replace water heater, eliminate flammable

vapors source. Contact Sears Service.

16. Clean filter, See “External Cleaning &

Inspection of the Base-Ring Filter” section.

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. Ad vise c usto mer

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

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Kenmore 57240 User Manual Page 37

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