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  • Main Boiler Error Codes

Listed below are Main boiler fault codes and Main boiler Manuals.

Fault Description
Boiler Symptoms
E168 Error code E168 could mean that your boiler has detected a problem but can’t work out exactly what it is;
E20 “Central Heating NTC Fault indicate faulty components. You
should make a note of the displayed error code “
E28 “PCB Fault indicate faulty components. You
should make a note of the displayed error code “
E50 “Hot Water NTC Fault indicate faulty components. You
should make a note of the displayed error code “
E110 “Safety Thermostat Operated displayed when the primary water pressure is less
than 0.5 bar. After repressurising the system the boiler should
operate. Your installer will be able to advise you about the
method of repressurising. “
E119 “Water Pressure Switch Not Operated displayed when the primary water pressure is less
than 0.5 bar. After repressurising the system the boiler should
operate. Your installer will be able to advise you about the
method of repressurising”
E33 “Interruption Of Gas Supply or Flame Failure indicates that the gas supply has been interrupted,
ignition has failed or the flame has not been detected. Ensure
that the gas supply has not been turned off, and turn the
selector switch to the reset position and hold for at least 5
seconds. If the boiler does not relight, or the code is displayed
regularly “
E60 Fan or Fan Wiring Fault

  • To get your Main Boiler Repaired, call us today on Cardiff 02920 140240

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  • Call for a Boiler repair today on Cardiff 02920 140240

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  • Mon – Sun 08.00 – 20.00
  • Cardiff 02920 140240
  • 30 Sandwharf, Cardiff, CF10 7JA
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