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[24] Compressor startup failure

Error 24 — Compressor startup failure

Haier · Air Conditioning

What does [24] Compressor startup failure mean?

The driver module has detected a failure in the compressor's startup sequence. This can be due to power supply issues, incorrect wiring, or problems with the power module or compressor itself, or system overload.

Common Causes

  • The power supply is abnormal
  • Incorrect compressor wiring
  • The power module is bad
  • The compressor is bad
  • System overload

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Correct the wiring according to the diagram.

  2. 2

    Ensure the electric box and compressor wiring are correct and firmly in place.

  3. 3

    Check if the compressor is normal (test coil resistance and insulation).

  4. 4

    Check if the power module is normal.

  5. 5

    Replace the compressor.

  6. 6

    Replace the power module.

Browse all codes in this manual (103)
Verified technical data. Last updated: April 2026

Related Faults

1Error Code 1 — Outdoor PCB EEPROM fault10Error Code 10 — Defrost sensor fault11Error Code 11 — Compressor suction temperature sensor fault
Source: Haier Air Conditioning
Open Manual (Page 31)Search more codes in this manual