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Slight gurgling sound

Slight gurgling sound from unit

MHI · Air Conditioning

What does Slight gurgling sound mean?

You hear a slight gurgling sound coming from the unit. This sound is caused by the refrigerating liquid moving within the air conditioning system and is considered normal.

Common Causes

  • Refrigerating liquid moving within the unit (normal operation)

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    This is a normal operational sound and does not indicate a fault.

  2. 2

    No action is typically required for this sound.

  3. 3

    Ensure the unit is level and securely mounted to minimize any unrelated noises.

  4. 4

    If the gurgling becomes very loud or continuous, consult your dealer.

  5. 5

    Check for any signs of refrigerant leaks, though this sound alone is not an indicator.

Browse all codes in this manual (124)
Verified technical data. Last updated: April 2026

Related Faults

00Outdoor Board LED only green lights up after startup - No outdoor unit of address 0 / Remote controller transmission wire open1OPERATION INDICATOR lamp blinks 1 time (Pattern A) - Indoor/outdoor unit communication error (Transmitting error - Outdoor unit)14OPERATION INDICATOR lamp blinks 14 times (Pattern A) - Other errors
Source: MHI Air Conditioning
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