BoilerFaultCodesRemeha e0 Fault Code
Also written as E0 — same fault.
The Remeha e0 fault code means: your boiler has detected a problem with its internal temperature sensors, meaning it cannot accurately monitor the water temperature and has shut down as a safety precaution.. It appears on 11 Remeha models in our database.
Technical description: Flow or return sensor fault. Short circuit in the flow, return or boiler temperature sensor. Defective or not (properly) connected flow, return or boiler temperature sensor.
What causes the Remeha e0 fault?
This fault occurs when the boiler's control board receives an impossible electrical signal from the sensors that monitor water temperature. It is usually caused by a sensor internal component failing due to age or a loose connection in the wiring that prevents the boiler from knowing if the operation is safe. The system shuts down instantly to prevent the unit from overheating.
Engineer required
This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.
Find a Gas Safe engineer
Search the official register for a qualified engineer in your area.
Gas Safe Register →Remeha models that show the e0 fault code
Click a model for the full fault code list and model-specific repair notes.
- Avanta 18V Repair: £120-220
- Avanta 28c Repair: £120-220
- Avanta Plus Repair: £90-180
- Avanta Plus 28c Repair: £90-160
- Avanta Plus 35c Repair: £90-180
- Gas 610 Eco Pro Repair: £450-£900
- Quinta 30 Repair: £250-450
- Quinta 85 Repair: £350-£650
- Quinta Ace 25 Repair: £280-550
- Quinta Ace 45 Repair: £280-550
- Quinta Ace 65 Repair: £280-550
Source
Remeha e0 fault code information on this page is sourced and cross-checked against the official Remeha service / installation manuals for each affected model.
Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 27 April 2026