Baxi Bermuda 60/4 Fault codes & diagnostics

9 fault codes with plain-English explanations, severity ratings, DIY guidance, and repair cost estimates.

Regular Natural Gas 17.6 kW 1994-2003 Discontinued

Replaced by: Bermuda BBU HE

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8 High 1 Low

All 9 documented codes

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No lights

Your boiler has no electricity reaching it or an internal component has failed, causing the unit to stop working completely.

High DIY-safe £60-£180

What to check first

  1. Check if your home's main fuse box has a tripped circuit or a blown fuse.
  2. Verify that the boiler's power switch on the wall or fused spur is switched 'ON'.
  3. Replace the fuse in the boiler's wall-mounted power socket with a new 3-amp fuse.

Parts commonly replaced

  • Internal PCB (Printed Circuit Board)
  • Glass fuse
  • Wiring harness
Orange light (Boiler fault)

Your boiler has stopped working for safety reasons and needs a manual reset to attempt to fire up again.

High DIY-safe £100-280

What to check first

  1. Locate the reset button on the control panel behind the front flap
  2. Press and hold the reset button for at least five seconds
  3. Wait for the orange light to turn off and the boiler to attempt to reignite

Parts commonly replaced

  • Ignition Electrode
  • Gas Valve
  • Printed Circuit Board (PCB)
Orange light (first)

Your boiler is receiving a constant electrical signal even when it should be off, often caused by a faulty external control or internal wiring issue.

High Engineer only £90-220

Parts commonly replaced

  • Printed Circuit Board (PCB)
  • External Room Thermostat
  • Motorised Zone Valve

Related codes

Orange light (second)

Your boiler has detected power coming from the thermostat while the main power is also on, which usually means an internal electrical component has failed or stuck.

High Engineer only £120-250

Parts commonly replaced

  • Printed Circuit Board (PCB)
  • Gas Valve
  • External Controls Wiring
Orange light (single)

Your back boiler is receiving a permanent power signal, which usually means the external controls or the internal wiring are telling it to run even when it shouldn't.

High Engineer only £90-180

Parts commonly replaced

  • Programmer/Timer
  • Room Thermostat
  • Wiring Centre Connection
Orange light (third)

Your boiler is attempting to light the main burner but the gas is failing to ignite, causing it to spark continuously without firing up.

High DIY-safe £90-180

What to check first

  1. Check that your gas supply is turned on at the meter
  2. Ensure the pilot light is lit through the viewing window
  3. If the pilot is out, follow the manual to relight it using the grey control button

Parts commonly replaced

  • Pilot Injector
  • Thermocouple
  • Spark Electrode
Second orange light

Your boiler has detected an electrical conflict where it is being told to turn on and stay on at the same time, usually due to a wiring or control fault.

High Engineer only £120-250

Parts commonly replaced

  • External Heating Controls
  • Wiring Centre
  • Printed Circuit Board (PCB)
Third orange light

Your boiler is trying to light but the main burner is failing to catch fire, even though the ignition spark is clicking.

High DIY-safe £120-280

What to check first

  1. Check that your gas supply is turned on at the meter
  2. Ensure your thermostat is set higher than the current room temperature
  3. Check if other gas appliances in your home are working correctly

Parts commonly replaced

  • Gas Valve
  • Ignition Electrode
  • Thermocouple

Related codes