Blocking fault 3/p/ (2/1/6) - Fan running too slowly

What does 3/p/ mean?

The boiler's fan is running below its required speed. This can affect combustion and exhaust. Both heating operation and domestic hot water are unavailable. This is a blocking fault, requiring a manual reset.

• Faulty fan motor
• Insufficient power supply to the fan
• Obstruction in the fan

Click steps to track your progress.

1. 1

   Press the 'Reset' button on the BC10 basic controller.

2. 2

   Listen for any unusual noises from the fan or signs of struggle when it attempts to operate.

3. 3

   If the fault persists, contact a qualified service technician to check the fan's operation and power supply.