sensor fault EP30-BT53 — Solar collectors sensor not connected or defective

What does 33 mean?

The EP30-BT53 sensor, which monitors solar collectors, is not connected or defective. This will block solar additive functions.

• EP30-BT53 sensor is disconnected or has a loose connection.
• Faulty sensor unit.
• Wiring issues between the sensor and the Heat Pump.

Click steps to track your progress.

1. 1

   Turn off the Heat Pump's main power supply.

2. 2

   Inspect the connections to the EP30-BT53 sensor on the solar collectors.

3. 3

   Check for any physical damage to the sensor or its wiring.

4. 4

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

5. 5

   If the alarm persists, professional service for the solar system may be required.