P1 - Flow temp sensor fault

What does P1 mean?

This error indicates a fault with the flow temperature sensor (TH1). It may be disconnected, short-circuited, or have an open circuit.

• TH1 not connected
• TH1 has a short circuit
• TH1 has an open circuit
• Faulty sensor or wiring

Click steps to track your progress.

1. 1

   Ensure the TH1 sensor is securely connected.

2. 2

   Check the wiring for TH1 for damage or loose connections.

3. 3

   Measure the resistance of the TH1 sensor.

4. 4

   Replace the TH1 sensor if it is faulty.