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Refrigerant shortage

Refrigerant shortage — Low on coolant

Daikin · room air conditioner

What does Refrigerant shortage mean?

This indicates that the system is low on refrigerant. This can lead to reduced cooling/heating efficiency and potential damage to the compressor.

Common Causes

  • Refrigerant leak in the system
  • Improper initial charge

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Turn off the air conditioner.

  2. 2

    Check for any visible signs of refrigerant leaks around the indoor or outdoor units (oily residue).

  3. 3

    If a leak is suspected, do not attempt to operate the unit and contact a qualified installer immediately.

  4. 4

    The system needs to be leak tested, repaired, and recharged by a professional.

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

Related Faults

4-way valve abnormality4-way valve abnormality — Refrigerant flow control issueA clapping sound is heardA clapping sound is heard — External device interferingAbnormal function during operation (lightning/radio waves)Abnormal function during operation — Interference suspected
Source: Daikin room air conditioner
Open Manual (Page 20)Search more codes in this manual