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Service Hints
You may avoid inconvenience and service calls by checking these points before you call for service.
FOR YOUR SAFETY
WHAT TO DO IF YOU SMELL GAS
1. Do Not try to light any appliance.
2. Do not touch any electric switch, do not use the phone.
3. Leave the building immediately, then call your gas supplier.
4. If you cannot reach the gas supplier, call the fire department.
HAVE YOUR SERVICE TECHNICIAN CHECK ANY PROBLEM YOU ARE UNABLE TO CORRECT.
Possible Cause What to do
Thermostat is not set correctly Reset thermostat
Burner is not operating properly check flame. If it is yellow, the burner is not getting enough air.
Or, if flame is blue and noisy and seems to lift off the burner, the
burner is getting too mush air. Contact your service technician.
No electric power to boiler Check overcurrent protection. Check to be sure electric power
supply circuit is ON.
Controls out of adjustment Reset according to instructions.
Radiators not heating Open radiator vents to excess air. Check flow control valve (if
used). It may be in closed position.
Circulating pump not running Check overcurrent protection. Check relay operation.
Poor electrical contact Check all control terminals and wire joints.
Chimney flue is blocked Pressure switch will not close and pilot spark will not operate to
start pilot. Have your service technician check and correct, if
necessary.
Rollout switch blown Have your service technician check heat exchanged for blockage.
Replace rollout switch with exact replacement.
Possible Cause What to do
Gas input amount is incorrect Contact your service technician.
Possible Cause What to do
Dirt on seat Open valve manually. Allow water to run and clear valve seat.
Water logged expansion tank Drain tank, see instructions.
IF YOUR SYSTEM IS NOT HEATING OR NOT GIVING ENOUGH HEAT . . .
IF BURNER IS NOISY . . .
RELIEF VAVLE LEAKING . . .
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