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H8

H8 — DC current sensor fault detected

Daikin · Air Conditioner

What does H8 mean?

This code indicates a fault with the DC current sensor. This sensor measures electrical current flow within the unit.

Common Causes

  • Faulty DC current sensor
  • Wiring problems related to the sensor

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Inspect the wiring connected to the DC current sensor for secure connections and visible damage.

  2. 2

    Ensure the sensor is properly seated and not loose.

  3. 3

    If the wiring is intact, the sensor itself may need to be tested and replaced by a professional.

Browse all codes in this manual (40)
Verified technical data. Last updated: April 2026

Related Faults

0000 — Normal operationA1A1 — Indoor unit PCB defect detectedA5A5 — High pressure or freeze-up protector activated
Source: Daikin Air Conditioner
Open Manual (Page 31)Search more codes in this manual