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RUN light Keep flashing, TIMER light 2-time flash

RUN light Keep flashing, TIMER light 2-time flash - Compressor overheating

MHI · Air Conditioning

What does RUN light Keep flashing, TIMER light 2-time flash mean?

The compressor in the outdoor unit has overheated. This could be due to issues with refrigerant levels, sensors, or restricted flow.

Common Causes

  • Refrigerant gas shortage.
  • Defective discharge pipe sensor.
  • Closed service valve.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Turn off the air conditioner at the main circuit breaker and let it cool down for at least 30 minutes.

  2. 2

    Check the outdoor unit for any blockages, dirt, or debris on the coils that might prevent proper heat dissipation.

  3. 3

    If the problem continues, contact a qualified service technician, as professional assessment of refrigerant levels or sensor function is needed.

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
Open Manual (Page 38)Search more codes in this manual