UTICA boiler troubleshooting

For different reasons, the key ones of which are high hardness of water, violation of the rules of service and an incorrect installation, Utica boilers can be broken down. The troubleshooting system chart is provided below. It contains the list of typical malfunctions of Utica boilers, indications on their possible causes and removal methods.

UTICA MGC-8D boiler troubleshooting

Possible Cause	What to do
Thermostat is not set correctly Burner is not operating properly	Reset thermostat above room temperature
No electric power to boiler	Check flame. If it is yellow, burner is not getting enough air.
Controls out of adjustment Radiators not heating	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".
Circulating pump not running Poor electrical contact Rollout switch blown	Reset according to instructions.
Blocked vent blown	Open radiator vents to expel air. Check flow control valve (if used). It may be in closed position.
Vent damper not operating	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 in Effikal manual, packaged with vent damper.
Gas input amount is incorrect	Contact your service agent.
Dirt on seat	Open valve manually. Allow water to run and clear valve seat.
Water logged expansion tank	Drain tank, see instructions.

UTICA PEG075EID boiler troubleshooting

Symptom	Possible Cause	What To Do
System Not Heating or Not Giving Enough Heat	Thermostat is not set correctly	Reset thermostat above room temperature.
	Thermostat not operating	Inspect and replace thermostat batteries, if necessary. Contact service technician.
	Burner is not operating properly	Inspect flame. If yellow, burner is not getting enough air. If blue and noisy and seems to lift off burner, burner is getting too much air. Contact service technician.
	No electric power to boiler	Verify electric power supply circuit is "ON". Contact your service technician to verify over current protection.
	Controls out of adjustment	Reset according to instructions.
	Radiators not heating	Inspect steam air vents for proper operation. Contact service technician to inspect for faulty steam traps.
	Poor electrical contact	Contact your service technician to inspect all control terminals and wire joints.
	Chimney flue is blocked	Spill switch contacts open, requiring manual reset of spill switch. Contact service technician to inspect and correct chimney problem.
	Vent damper not operating	Consult troubleshooting guide packaged with vent damper.
Burner is Noisy	Gas input is incorrect	Contact service technician.
Walls or Windows Sweating	Not enough ventilation	Contact service technician.
	Chimney flue is blocked	Contact service technician to inspect and correct, if necessary.
Safety valve Leaking	Dirt on seat	Contact service technician.