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F27

F27 / Outdoor LED1 flashes 7 times — Compressor stall / current sampling circuit fault

Haier · Air Conditioners

What does F27 mean?

The compressor has stalled, or there is a fault in its current sampling circuit, leading to an operational issue. This impacts the unit's ability to compress refrigerant.

Common Causes

  • Power module issue
  • Outdoor PCB issue
  • Compressor issue

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Turn off the air conditioner at the main power switch or circuit breaker immediately.

  2. 2

    Wait for at least 5 minutes before attempting to restart the unit.

  3. 3

    If the problem persists, contact a qualified technician, as this could involve critical compressor components.

Browse all codes in this manual (48)
Verified technical data. Last updated: April 2026

Related Faults

CL displayCL displayed on panel & remote — Self-Clean operation activatedE1E1 — Indoor temperature sensor failureE14E14 — Indoor fan failure
Source: Haier Air Conditioners
Open Manual (Page 149)Search more codes in this manual