23 fault codes with plain-English explanations, severity ratings, DIY guidance, and repair cost estimates.
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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 |
|---|---|---|
| 41-283-54 | Murelle Elite HE 35 T 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.
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Your boiler has encountered a general safety lockout and requires a professional engineer to diagnose and clear the fault safely.
Your boiler has temporarily stopped working because the water pressure inside the heating system has dropped too low.
Your boiler has stopped working because the water pressure inside the system has risen above the safe limit of 2.8 bar.
Your boiler has detected a faulty temperature sensor on the hot water system, meaning it cannot properly read or regulate your hot water.
Your boiler has lost the ability to monitor its own heating temperature because a key internal sensor has failed or disconnected.
Your boiler has stopped working because it cannot detect a flame to safely light itself.
Your boiler has temporarily stopped working as a safety precaution and needs to be manually restarted using the control panel.
Your boiler is temporarily locked out because it senses a flame inside when the burners should actually be switched off.
Your boiler has temporarily stopped because it cannot detect water flowing through the system properly.
Your boiler has detected a faulty reading from a temperature sensor, causing it to temporarily lock out for safety.
Your boiler has safely shut down because a safety sensor has detected a potential issue with the exhaust fumes leaving the flue.
Your boiler has temporarily stopped working because it has detected a problem with the sensor that monitors the safety and temperature of the exhaust gases.
Your boiler has detected an issue with the internal fan speed, which has caused it to safely shut down to prevent unsafe operation.
Your boiler has temporarily shut down the heating to one of your home's temperature zones because an overheating safety limit was reached.
Your boiler has lost connection to a temperature sensor in your heating system, which temporarily stops that heating zone from working safely.
The safety cut-out switch for your underfloor heating or second heating zone has been triggered due to high temperatures, temporarily shutting down that specific zone.
Your boiler has detected a faulty or disconnected temperature sensor in your secondary heating zone, meaning it cannot properly monitor the water temperature in that part of your home.
Your boiler has detected an issue with the sensor connected to your solar panel system, meaning it cannot properly read the solar collector temperature.
Your boiler has detected a fault with the solar panel temperature sensor, which usually happens when the sensor or its wiring becomes damaged or disconnected.
Your boiler has detected a fault with the solar panel temperature sensor, which usually happens if the sensor wiring becomes damaged or disconnected.
Your boiler has detected a conflict with how the solar heating attachment is set up, meaning it cannot properly coordinate with your renewable system.
Your boiler has detected an incorrect electrical connection or sensor setup inside the unit, which prevents it from operating safely.
Your boiler has lost communication with its internal electronic control system, meaning it doesn't recognize its own parts.
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BoilerFaultCodes