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EQUIPMENT AND OPTIONAL ACCESSORIES - WHAT THEY DO
IF YOUR SYSTEM IS NOT HEATING OR NOT GIVING ENOUGH HEAT . . .
You may avoid inconvenience and service calls by checking these points before you call for service.
Possible Cause
Thermostat is not set correctly
Burner is not operating properly
No electric power to boiler
Controls out of adjustment
Radiators not heating
Circulating pump not running
Poor electrical contact
Rollout switch blown
Blocked vent blown
Vent damper not operating
Possible Cause
Gas input amount is incorrect
Possible Cause
Dirt on seat
Water logged expansion tank
HAVE YOUR SERVICE AGENT CHECK ANY PROBLEM YOU ARE UNABLE TO CORRECT.
14 - SERVICE HINTS
!
CAUTION
WHAT TO DO IF YOU SMELL GAS
• Do not try to light any appliance.
• Do not touch any electrical switch; do not use
any phone in your building.
• Immediately call your gas supplier from a
neighbor's phone. Follow the gas supplier's
instructions.
• If you cannot reach your gas supplier, call the fire
department.
What to do
Reset thermostat above room temperature
Check flame. If it is yellow, burner is not getting enough air.
Or, if flame is blue and noisy and seems to lift off burner,
burner is getting too much air. Contact your service technician.
Check over current protection. Verify electric power supply circuit is
"ON".
Reset according to instructions.
Open radiator vents to expel air. Check flow control valve (if
used). It may be in closed position.
Check over current protection. Check relay operation.
Check all control terminals and wire joints.
Have your service agent check heat exchanged for blockage.
Replace rollout switch with exact replacement.
Have your service agent check venting system and chimney
for blockage, or down draft condition. Reset blocked vent.
Consult troubleshooting guide
IF BURNER IS NOISY . . .
What to do
Contact your service agent.
RELIEF VALVE LEAKING . . .
What to do
Open valve manually. Allow water to run and clear valve seat.
Drain tank, see instructions.
26
PN 240013090 REV. C [10/01/2021]
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