Baxi 615 System 2 Fault codes & diagnostics

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

System Natural Gas 15 kW 2018 onwards
GC Number 41-470-56
Download the Baxi 615 System 2 manual The official installation & service manual (PDF) — the exact document these fault codes were verified against. PDF

The fault code is already on your display

Note it down before pressing reset — resetting clears the code immediately. How to read fault codes →

Versions & GC numbers

Which version do you have?

The GC number on your boiler's data badge identifies the exact appliance and production years, as recorded in the UK Product Characteristics Database.

GC number Appliance (register name) Produced
41-470-56 615 SYSTEM 15 2018–present
Fault codes

All 1 documented codes

Tap any card for details

10

Your boiler has experienced a persistent ignition or flame failure that requires a manual reset to restart.

High DIY-safe £100-£250

What to check first

  1. Locate the reset button on the front control panel.
  2. Press and hold the reset button for at least 5 seconds.
  3. Check that your gas prepayment meter has credit and that other gas appliances in your home are working.

Parts commonly replaced

  • Ignition Electrode
  • Gas Valve
  • Flame Sensing Lead
Full explanation for 10
Boiler cover options

Avoid the next call-out bill

Monthly cover means no unexpected bills when your boiler breaks down.

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.