Boiler shuts down and goes to lockout
Fault | Fix |
---|---|
faulty pump (not at full capacity) | replace pump head |
faulty fan (not at full capacity) | check / lubricate bearings |
clear debris build up | replace fan assembly |
blocked condensate pipe work/trap | clear blockage / ice plug or Increase pipe work fall |
faulty ionisation electrode | check gap/wiring /damages |
blocked heat exchanger (blocked with sludge) | replace or cleanse system |
blocked primary filter on plate exchanger | clean debris from filter |
faulty thermistor (losing calibration) | check / replace |
faulty overheat cut out stat (losing calibration) | check / replace |
faulty gas valve (faulty modureg / solenoid) | replace gas valve |
blocked bypass pipe/ no bypass | adjust / install bypass |
faulty air pressure switch (stuck in NO position) | replace air pressure switch |
faulty low water pressure switch (losing calibration) | replace / clear blockages |
excess air trapped within heat exchanger | Check / replace air vent |
Other Issues to check
- Noisy Fan
- Noisy Pump
- Noisy Hot Water Flow Switches
- Noisy Solenoid
- Burner Not Igniting
- Boiler Fan Problems
- Boiler Shuts Down
- Explosive Ignition
- Blocked Plate Exchanger