Potterton E152 Fault: Hot Water NTC Sensor Issue
When your Potterton boiler displays the E152 fault code, it signifies a hot water NTC (Negative Temperature Coefficient) sensor fault.
Vaillant F24 Error Code: Pump Failure or Air in the System
The Vaillant F24 error code is a common warning on many Vaillant boilers, particularly Vaillant combi boilers.