sensor fault BP8 — Low pressure sensor not connected or defective

What does 27 mean?

The BP8 sensor, responsible for detecting low pressure, is not connected or defective. This fault will block the compressor operation.

• BP8 sensor is disconnected or has a loose wire.
• The low pressure sensor unit itself is faulty.
• Wiring damage to the sensor.

Click steps to track your progress.

1. 1

   Switch off the Heat Pump at the main electrical breaker.

2. 2

   Inspect the connections to the BP8 low pressure sensor for security and integrity.

3. 3

   Check the sensor for any visible damage or signs of malfunction.

4. 4

   Restore power to the Heat Pump and observe if the alarm clears.

5. 5

   If the alarm persists, this is a critical fault and requires immediate attention from a qualified NIBE service technician.