Utica boiler troubleshooting

Like all technical tools, boilers break down from time to time. People wonder how to deal with problems and spend a lot of time looking for solutions. The troubleshooting table below will help you identify the most common causes of issues. There you can find examples and respective problem-solving algorithms.

UTICA BOILERS 95M-200 boiler troubleshooting

POSSIBLE CAUSEWHAT TO DO
Thermostat is not set correctly Burner is not operating properlyReset thermostat above room temperature
No electric power to boilerCheck flame. If it is yellow, burner is not getting enough air.
Controls out of adjustment Radiators not heatingOr, 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 blownReset according to instructions.
Blocked vent blownOpen radiator vents to expel air. Check flow control valve (if used). It may be in closed position.
Vent damper not operatingCheck 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 incorrectContact your service agent.
Dirt on seatOpen valve manually. Allow water to run and clear valve seat.
Water logged expansion tankDrain tank.

UTICA BOILERS SSV-150 boiler troubleshooting

SYMPTOMPOSSIBLE CAUSEWHAT TO DO
System Not Heating or Not Giving Enough HeatThermostat is not set correctlyReset thermostat above room temperature.
Thermostat not operatingInspect and replace thermostat batteries, if necessary. Contact service technician.
Burner is not operating properlyInspect 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 boilerVerify electric power supply circuit is "ON". Contact your service technician to verify over current protection.
Controls out of adjustmentReset according to instructions.
Radiators not heatingInspect steam air vents for proper operation. Contact service technician to inspect for faulty steam traps.
Poor electrical contactContact your service technician to inspect all control terminals and wire joints.
Chimney flue is blockedSpill switch contacts open, requiring manual reset of spill switch. Contact service technician to inspect and correct chimney problem.
Vent damper not operatingConsult troubleshooting guide packaged with vent damper.
Burner is NoisyGas input is incorrectContact service technician.
Walls or Windows SweatingNot enough ventilation
Chimney flue is blocked
Safety valve LeakingDirt on seat