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RUN light 2-time flash, TIMER light 4-time flash

RUN light 2-time flash, TIMER light 4-time flash - Current cut detected

MHI · Air Conditioning

What does RUN light 2-time flash, TIMER light 4-time flash mean?

The system has detected an interruption or anomaly in the electrical current. This could be due to several electrical issues with the compressor or power supply.

Common Causes

  • Compressor locking.
  • Open phase on compressor output.
  • Short circuit on power transistor.
  • 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 wait at least 15 minutes.

  2. 2

    Check if any other electrical devices on the same circuit are causing an overload or short circuit.

  3. 3

    If the error persists after resetting power, contact a qualified service technician immediately as this indicates a serious electrical fault.

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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