6 fault codes with plain-English explanations, severity ratings, DIY guidance, and repair cost estimates.
Replaced by: Riva Plus M96
The fault code is already on your display
Note it down before pressing reset — resetting clears the code immediately. How to read fault codes →
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 |
|---|---|---|
| 41-583-31 | Riva Plus HE 24S ErP | 2015–present |
| 41-583-32 | Riva Plus HE 28S ErP | 2015–present |
| 41-583-18 | Riva Plus HE M296.24SR/C | 2011–present |
| 41-583-19 | Riva Plus HE M296.28SR/C | 2011–present |
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Your boiler has failed to light the flame and has locked itself down for safety, meaning you currently have no heating or hot water.
Your boiler is struggling to detect the airflow needed for safe operation, so it has shut down to prevent any issues.
Your boiler is failing to light the flame or keep it running, which means it cannot produce heating or hot water safely.
Your boiler is failing to light the flame needed to produce heat or hot water.
Your boiler is experiencing a generic system error that prevents it from operating correctly and providing heat or hot water.
Your boiler has detected that it has become dangerously overheated and has automatically shut itself down to prevent damage or fire risk.
BoilerFaultCodes