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 13 Potterton models 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.
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Potterton models that show the 160 fault code
Click a model for the full fault code list and model-specific repair notes.
- Apollo Repair: £180-350
- Assure Repair: £150-300
- Gold Combi HE Repair: £180-350
- Heatmax Combi Repair: £150-300
- Promax Combi 28 HE Plus Repair: £250-450
- Promax Combi HE Plus Repair: £250-450
- Promax Ultra Combi ErP Repair: £180-350
- Titanium Combi Repair: £150-300
- Ultra 12 System Repair: £180-350
- Ultra 15 System Repair: £180-350
- Ultra 18 System Repair: £180-350
- Ultra 24 System Repair: £180-350
- Ultra 28 System Repair: £180-350
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.
- Potterton Gold Combi HE manual (PDF)
- Potterton Promax Ultra Combi ErP manual →
- Potterton Ultra 28 System manual (PDF)
Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 31 August 2026