BoilerFaultCodesPotterton 160 Fault Code
The Potterton 160 fault code means: your boiler has detected that the fan, which safely removes waste gases, is not spinning at the correct speed to operate safely.. It appears on 1 Potterton model in our database.
Technical description: Fan runs at incorrect speed or fan fault
What causes the Potterton 160 fault?
This fault occurs when the boiler's internal computer signals the fan to spin, but the fan fails to reach the required speed for safe combustion. The most common reason is that the fan motor has worn out or siezed over time, though it can also be caused by a communication failure between the control board and the fan wiring.
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 →Potterton models that show the 160 fault code
Click a model for the full fault code list and model-specific repair notes.
Source
Potterton 160 fault code information on this page is sourced and cross-checked against the official Potterton service / installation manuals for each affected model.
Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 27 April 2026