CodeRegistry
Brands
  1. Home
  2. Daikin
  3. Air Conditioning
  4. H0
About·Privacy·Terms

CodeRegistry — Your global library for technical solutions.

For your safety: always follow the equipment manufacturer’s official manuals. CodeRegistry is an independent help site and is not affiliated with the brands listed here.

H0

H0 - Compressor sensor system disconnected

Daikin · Air Conditioning

What does H0 mean?

All sensors related to the compressor system have become disconnected.

Common Causes

  • All compressor sensors disconnected.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Check all sensor connections to the compressor.

  2. 2

    Ensure the sensors and their wiring are intact and free from damage.

  3. 3

    If sensors are disconnected due to wiring issues, repair the wiring; if sensors themselves are faulty, they need replacement by a technician.

Browse all codes in this manual (79)
Verified technical data. Last updated: April 2026

Related Faults

A0A0 - External protection activeA1A1 - Indoor PCB failureA2A2 - Malfunction of freezing protection
Source: Daikin Air Conditioning
Open Manual (Page 1)Search more codes in this manual