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60

Rotor lock — RUN LED flashes 6 times, TIMER LED OFF

Mitsubishi Heavy Industries · Air Conditioners

What does 60 mean?

The compressor rotor has locked after starting, causing the compressor to stop. This indicates a mechanical issue with the compressor itself.

Common Causes

  • Compressor lock (mechanical failure)
  • Faulty compressor

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Turn off the main power to the unit.

  2. 2

    Allow the unit to cool down for some time (e.g., 30 minutes to an hour) before attempting to restart.

  3. 3

    If the rotor lock persists upon restart, the compressor may be faulty and likely requires replacement.

  4. 4

    Contact a qualified HVAC technician for further diagnosis and repair if the issue cannot be resolved with a simple reset.

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
Open Manual (Page 53)Search more codes in this manual