19
TROUBLESHOOTING GUIDE
CONDITION
CAUSE
REMEDY
The burner will not ignite
.
No gas.
Check with gas utility company.
Dirt in gas line.
Notify utility. Install drip leg in gas line.
Pilot line clogged.
Clean. Check for source of trouble and correct.
Main burner line clogged.
Clean. Check for source of trouble and correct.
Defective thermocouple.
Replace with new thermocouple.
Defective gas control valve.
Replace with new gas control valve.
Gas control valve set too low.
Turn temperature dial to desired temperature.
The burner flame floats and
High gas pressure.
Check with gas utility company.
lifts off ports.
Orifice too large.
Replace with correct orifice.
Flue clogged.
Clean. Check for source of trouble and correct.
The burner flame is yellow
Insufficient secondary air.
Check that the vent-air intake terminal is not blocked.
and lazy.
Flue clogged.
Clean. Check for source of trouble and correct.
Main burner line clogged.
Clean. Check for source of trouble and correct.
The burner flame is too high.
Insufficient secondary air.
Check that the vent-air intake terminal is not blocked.
Orifice too large.
Replace with correct orifice.
Defective gas control valve.
Replace with new gas control valve.
The flame burns at
Low gas pressure.
Check with gas utility company.
the orifice.
Defective gas control valve.
Replace with new gas control valve.
The pilot will not light
No gas.
Check with gas utility company.
or remain lit.
Dirt in gas line.
Notify utility. Install dirt leg in gas line.
Pilot line clogged.
Clean. Check for source of trouble and correct.
Loose thermocouple connection.
Tighten with fingers then take 1/4 turn with wrench.
Defective thermocouple.
Replace with new thermocouple.
Gas control valve E.C.O. has tripped.
Replace with new gas control valve.
Defective igniter.
Replace igniter assembly.
High operating costs.
Gas control valve set too high.
Turn temperature dial to desired temperature.
Sediment or lime in tank.
Drain. Check to see if water treatment is necessary.
Water heater is undersized.
Install size of water heater that meets demand.
Wrong piping connections.
Correct piping, dip tube must be in cold inlet.
Leaking faucets.
Repair faucets.
Gas leaks.
Check with gas utility company. Repair at once.
Wasted hot water.
Advise consumer.
Long runs or exposed piping.
Insulate piping.
Hot water piping on outside wall.
Insulate piping.
