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H6-00

H6-00 — OU: Malfunction of position detection sensor

Daikin · ASHP Error Codes

What does H6-00 mean?

The position detection sensor in the outdoor unit (OU) is malfunctioning. This may affect component operation.

Common Causes

  • Sensor failure
  • Wiring disconnection
  • Obstruction affecting sensor

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Check wiring related to the position detection sensor.

  2. 2

    Ensure no debris is interfering with the sensor.

  3. 3

    Perform a system reset.

  4. 4

    A qualified technician is required for diagnosis.

Browse all codes in this manual (60)
Verified technical data. Last updated: April 2026

Related Faults

7H-017H-01 — Water flow problem7H-047H-04 — Water flow problem during domestic hot water production7H-057H-05 — Water flow problem during heating/sampling
Source: Daikin ASHP Error Codes
Open Manual (Page 3)Search more codes in this manual