25
TROUBLESHOOTING CHART
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
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. Defective thermocouple
8. Defective thermostat
PROBLEM
POSSIBLE CAUSE(S)
CORRECTIVE ACTION
BURNER WILL NOT IGNITE
BURNER FLAME YELLOW-LAZY
1. Insufficient secondary air
2. Low gas pressure
3. Vent clogged
4. Main burner line clogged
5. Obstruction in main burner orifice
1. Provide ventilation to water heater, check
venting
2. Check with gas utility company
3. Clean, locate source and correct
4. Clean, locate source and correct
5. Clean or replace orifice
PILOT WILL NOT LIGHT OR
REMAIN LIT.
1. Low gas pressure
2. Air in gas line
3. No gas
4. Dirt in gas lines
5. Pilot line or orifice clogged
6. Thermocouple connection loose
7. Defective thermocouple
8. Thermostat ECO switch open
9. Defective igniter
1. Check with gas utility company
2. Bleed the air from the gas line
3. Check with gas utility company
4. Notify utility-install dirt trap in gas line
5. Clean, locate source and correct
6. Finger tighten; then 1/4 turn with wrench
7. Replace thermocouple
8. Replace thermostat
9. Replace igniter pilot assembly
HIGH OPERATION COSTS
1. Thermostat set too high
2. Sediment or lime in tank
3. Heater too small for job
4. Wrong piping connections
5. Leaking faucets
6. Gas leaks
7. Long runs of exposed piping
8. 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. Insulate piping
8. Insulate piping
SMELLY WATER
1. Sulfides in the water
1. Replace the anode with a special anode
1. Low gas pressure
2. Thermostat set too low
3. Sediment or lime in tank
4. Water heater too small
5. Wrong piping connections
6. Leaking faucets
7. Wasted hot water
8. Long runs of exposed piping
9. Hot water piping in outside wall
INSUFFICIENT HOT WATER
1. Check with gas utility company
2. Turn temperature dial to desired setting
3. Drain/flush-provide water treatment if needed
4. Install adequate heater
5. Correct piping-dip tube must be in cold inlet
6. Repair faucets
7. Advise customer
8. Insulate piping
9. Insulate piping
