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11-time blink

Operation indicator blinks 11 times — Indoor fan motor issue

Mitsubishi Electric · Air Conditioning

What does 11-time blink mean?

An 11-time blink of the operation indicator suggests a problem with the indoor fan motor. The unit may not be receiving the expected feedback signal from the fan during operation.

Common Causes

  • Indoor fan motor is not emitting a rotational frequency feedback signal
  • Indoor fan motor may be obstructed or faulty

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Check the indoor fan motor for obstructions.

  2. 2

    Refer to the section on checking the indoor fan motor.

  3. 3

    If the fan motor appears faulty, it may need replacement.

Browse all codes in this manual (177)
Verified technical data. Last updated: April 2026

Related Faults

0.5-second ON / 0.5-second OFF blinkUpper lamp blinks 0.5-second ON/OFF - Miswiring or serial signal error0.5s blink with beepLeft OPERATION INDICATOR lamp blinks every 0.5 seconds with a beep — Indoor or outdoor unit abnormality00Normal operation - No error codes
Source: Mitsubishi Electric Air Conditioning
Open Manual (Page 36)Search more codes in this manual