sensor fault AZ1-BT26 — Brine collector in sensor not connected or defective

What does 26 mean?

The AZ1-BT26 sensor, measuring the brine temperature entering the collector, is not connected or defective. This blocks the pump (AZ1-GP2) in FLM.

• AZ1-BT26 sensor is disconnected or has a loose connection.
• The sensor unit is faulty.
• Problems with the wiring to the sensor.

Click steps to track your progress.

1. 1

   Turn off the Heat Pump at the main power supply.

2. 2

   Check the physical connections to the AZ1-BT26 sensor.

3. 3

   Ensure the sensor is properly installed in the brine collector circuit.

4. 4

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

5. 5

   If the fault persists, contact a qualified service technician.