BoilerFaultCodes
Halstead Boiler Fault Codes
88 fault codes across 16 Halstead boiler models — explained in plain English.
Halstead fault codes on this site
We document 88 fault codes across 16 Halstead models, covering 61 distinct codes. Halstead boilers use light sequences and status descriptions rather than numbered codes. Codes for 10 of these models are taken directly from the manufacturer's own service or installation manual.
Models covered: Ace, Ace 100, Wickes Combi 82/102, Eden, Eden CBX/SBX, Best 80, Buckingham 4, Eden Vbx, Ace High, Finest Gold, Hero, Ace HE, Club HE 18, iHeat 24c, Best 30, iHeat 29c.
Codes that appear on the most Halstead models:
Just want the most common Halstead problems?
The top 8 faults across the whole Halstead range — causes, DIY checks, repair costs.
High-severity Halstead fault codes
Ignition lockout Safety Lock-out LED Overheat thermostat Ignition Lock-out Activate
Your boiler has stopped working because it failed to light the flame, which often happens due to a simple supply issue or a temporary glitch.
Ace
Your boiler has stopped working because it failed to light or has become too hot, causing a safety shutdown to protect your home.
Ace
Your boiler has automatically turned itself off because it got too hot, likely to prevent internal damage or overheating.
Ace
Your boiler has stopped working because it failed to light the flame, so it has purposefully shut down for safety.
Ace
Your boiler has failed to ignite and cannot establish a flame, likely because it is not properly recognising its internal control settings or requires a part replacement.
Ace
All models
16 Halstead boiler models
Ace
Combi Discontinued
Ace 100
Combi Discontinued
Wickes Combi 82/102
Combi Discontinued
Eden
CombiSystem Discontinued
Eden CBX/SBX
CombiSystem Discontinued
Best 80
Regular Discontinued
Buckingham 4
Regular Discontinued
Eden Vbx
Regular Discontinued
Ace High
Regular Discontinued
Finest Gold
Combi Discontinued
Hero
Regular Discontinued
Ace HE
Combi Discontinued
Club HE 18
Regular Discontinued
iHeat 24c
Combi
Best 30
Regular Discontinued
iHeat 29c
Combi
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