High
E06 on Biasi Riva Plus M96.24SM

Your boiler's central heating sensor is sending an incorrect signal, which means the system cannot accurately measure how hot the water is for your radiators.

Call an engineer soon

Book a Gas Safe engineer within 24 to 48 hours. Your boiler may be unsafe or could break down completely if left.

Technical description

C.h. (Central Heating) temperature probe fault (NTC)

Engineer required

This is a high severity fault. Stop using the boiler and call a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

Find a Gas Safe engineer
Search the official register →

Related fault codes

Related guides you might find useful