BoilerFaultCodes E20
Central Heating NTC Fault
Baxi Platinum 24 Combi ErP Fault codes & diagnostics
10 fault codes with plain-English explanations, severity ratings, DIY guidance, and repair cost estimates.
Combi Gas 2015-present
GC Number 47-077-04
Download the Baxi Platinum 24 Combi ErP manual
PDF
Versions & GC numbers
The fault code is already on your display
Note it down before pressing reset — resetting clears the code immediately. How to read fault codes →
Severity at a glance
Each cell = one fault code. Hover to identify. 10 Unrated
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 |
|---|---|---|
| 47-077-04 | Platinum 24 Combi ErP | 2015–present |
Appliance names and production years are taken from the UK Product Characteristics Database (the SAP/SEDBUK register). Where a GC number is also printed in this model's own manufacturer manual, both sources were checked to agree.
Just want the most common Baxi Platinum 24 Combi ErP faults?
The top 6 problems in plain English — with causes, DIY checks and repair costs.
Fault codes
All 10 documented codes
Tap any card for details
E28
Flue NTC Fault, Air Pressure Switch Fault, Blocked Flue, Blocked Condensate or Wiring Fault
E50
Hot Water NTC Fault
E110
Safety Thermostat Operated
E119
Water Pressure Switch Not Operated
E125
Circulation Fault (Primary Circuit)
E130
Flue NTC Operated
E133
Interruption Of Gas Supply or Flame Failure
E160
Fan or Fan Wiring Fault
E193
Pre-Circulation Fault
Boiler cover options
Avoid the next call-out bill
Monthly cover means no unexpected bills when your boiler breaks down.
Approved partner
Get a quote →
Domestic Appliance Guard
Unlimited call-outs, 24/7 helpline, no price-hike promise
Affiliate links. We may earn a commission at no extra cost to you.