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BT63 flow sensor

Sensor error: BT63 flow sensor — Flow sensor fault

Nibe · Air Conditioning

What does BT63 flow sensor mean?

There is no contact with the flow sensor (BT63). This might be due to an open or short circuit on the sensor input, or the sensor itself is defective.

Common Causes

  • Open circuit or short circuit on sensor input
  • Defective sensor

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Check the BT63 flow sensor for damage or blockages.

  2. 2

    Ensure the sensor is securely connected.

  3. 3

    Test the sensor's readings.

  4. 4

    Replace the sensor if necessary.

Browse all codes in this manual (95)
Verified technical data. Last updated: April 2026

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Source: Nibe Air Conditioning
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