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E58 / 58

Error E58 or RUN LED flashes 5 times, TIMER LED flashes 8 times — Current safe stop (SRC50, 60 models) or Outdoor Red LED 3 times

Mitsubishi Heavy Industries · Air Conditioners

What does E58 / 58 mean?

The system initiated a 'current safe stop' during operation, specifically when the compressor speed was 30 rps or under. This suggests problems with refrigerant levels, airflow, or key sensors.

Common Causes

  • Excessive refrigerant amount in the system
  • Insufficient installation space or poor ventilation for the indoor/outdoor unit
  • Faulty compressor
  • Defective outdoor air temperature sensor
  • Defective outdoor unit PCB

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Check that the outdoor unit has sufficient space around it and good ventilation, ensuring inlet and outlet airflow are not blocked by debris or other obstructions.

  2. 2

    Inspect the outdoor air temperature sensor for proper function and connection.

  3. 3

    Verify the refrigerant amount in the system and adjust it to the proper level if it is found to be insufficient or overcharged.

  4. 4

    If the problem persists after checking ventilation, sensors, and refrigerant, the compressor or outdoor unit PCB may be faulty and require professional inspection.

Browse all codes in this manual (110)
Verified technical data. Last updated: April 2026

Related Faults

01Power source faulty — RUN LED OFF, TIMER LED flashes 1 time05Wired remote control wiring error — RUN LED OFF, TIMER LED flashes 5 times35Cooling high pressure control activated — RUN LED flashes 3 times, TIMER LED flashes 5 times
Source: Mitsubishi Heavy Industries Air Conditioners
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