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PROBLEM
BURNER WILL NOT
IGNITE
SMELLY WATER
BURNER FLAME
YELLOW-LAZY
PILOT WILL NOT LIGHT
OR REMAIN LIT
HIGH OPERATION
COSTS
PILOT FLAME TOO
SMALL
40
All manuals and user guides at all-guides.com
TROUBLESHOOTING GUIDELINES
POSSIBLE CAUSE(S)
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 thermopile
8. Defective gas control/thermostat
1. Sulfur in the water
1. Low gas pressure
2. Flue clogged
3. Main burner line clogged
4. Obstruction in main burner orifice
5. Insufficient combustion air
1. Air in gas line
2. No gas
3. Dirt in gas lines
4. Pilot line or orifice clogged
5. Defective thermopile
6. Insufficient combustion air
7. Gas control/thermostat ECO switch
open
8. Defective igniter or electrode
9. Low gas pressure
10. Incorrect gas
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. Pilot line or orifice clogged
2. Low gas pressure
3. Defective pilot
4. Incorrect gas
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 thermopile
8. Replace gas control/thermostat
1. Replace the anode with a special
2. Raising the water heater temperature
1. Check with gas utility company
2. Clean, locate source and correct
3. Clean, locate source and correct
4. Clean or replace orifice
5. Check that the vent termination hood
1. Bleed the air from the gas line
2. Check with gas utility company
3. Notify utility-install sediment trap (dirt
4. Clean, locate source and correct
5. Replace thermopile
6. Check that the vent termination hood
7. Replace gas control/thermostat
8. Replace igniter or pilot assembly
9. Check with gas utility company
10. Check rating plate for correct gas type.
1. Set temperature dial to lower setting
2. Drain/Flush-Provide water treatment if
3. Install adequate size heater
4. Correct piping-dip tube must be in cold
5. Repair faucets
6. Check with utility-repair at once
7. Advise customer
8. Insulate piping
9. Insulate piping
1. Clean, locate source and correct
2. Check with gas utility company
3. Replace pilot
4. Check rating plate for correct gas type.
www. gsw-wh .com
CORRECTION
anode
setting to 60°C (140°F) may help to
eliminate the odour (will require the
use of a mixing valve)
and venting pipe is not blocked
leg) in gas line
and venting pipe is not blocked
Check with gas utility company
needed
inlet
Check with gas utility company
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