8/8/8 Low

Worcester Bosch 8/8/8 Fault Code

Also written as 888 — same fault.

The Worcester Bosch 8/8/8 fault code means: your boiler is simply going through its normal start-up routine after being turned on or reset, so there is no need for concern.. It appears on 1 Worcester Bosch model in our database.

Monitor it

This is a minor fault. Keep an eye on it and mention it at your next annual boiler service. Reset the boiler and see if it clears.

Technical description: Start-up phase: The boiler starts up after activation of the mains power supply or completion of a system reset.

DIY fix possible

Wait for a few minutes for the status code to clear automaticallyIf the code persists for more than 10 minutes, turn the power off at the fused spurWait 30 seconds and switch the power back on to allow the boiler to re-initialise

Find a Gas Safe engineer

Search the official register for a qualified engineer in your area.

Gas Safe Register →
Boiler cover options

Avoid the next call-out bill

A cover plan would handle faults like 8/8/8: no call-out fees, no surprise bills.

Approved partner
Domestic Appliance Guard
Unlimited call-outs, 24/7 helpline, no price-hike promise
Get a quote →

Affiliate links. We may earn a commission at no extra cost to you.

Worcester Bosch models that show the 8/8/8 fault code

Click a model for the full fault code list and model-specific repair notes.

Source

Worcester Bosch 8/8/8 fault code information on this page is sourced and cross-checked against the official Worcester Bosch service / installation manuals for each affected model.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 7 July 2026