21
BURNER DOES NOT COME ON
1.
Gas supply to unit is “OFF”.
2.
Manual shut off valve is “OFF”.
3.
Power supply is “OFF”.
4. Faulty valve or ignition module.
5. Pilot out.
6. Pilot may require flame adjustment.
7. Water level has not been reached in boiler. Check water supply is on, check water
level control.
8. If water at proper level, check relay which energizes pressure switch and gas control.
9. Pressure switch may need to be replaced if relay is operating.
10. Gas control may also require replacement if energized but not operating.
SAFETY RELIEF VALVE BLOWS
1. Defective valve.
2. Pressure too high, pressure switch requires adjustment (lower) or may be defective.
WATER NOT BEING SUPPLIED TO BOILER
1.
Water supply is “OFF”.
2. Defective water fill Solenoid Valve.
3. Water level control clogged or defective, unable to operate fill valve.
4. Check that drain valve is closed.
5. Supply water pressure too low.
BOILER SLOW TO HEAT UP
1. Lime build up - contact service.
2. Wrong size orifice(s) or gas supply.