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6-time blink (i-see SENSOR)

6-time blink — i-see SENSOR wiring or data loading failure

Mitsubishi Electric · Air Conditioning

What does 6-time blink (i-see SENSOR) mean?

The left lamp of the OPERATION INDICATOR blinks six times. This indicates poor contact in the i-see SENSOR wiring or a failure in loading corrected data for the i-see SENSOR.

Common Causes

  • Poor contact in the i-see SENSOR wiring.
  • Disconnection of i-see SENSOR connectors.
  • Failure in loading corrected data for the i-see SENSOR.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Turn OFF the power supply to the unit.

  2. 2

    Check for disconnection of the i-see SENSOR connectors.

  3. 3

    Ensure all i-see SENSOR wiring connections are secure and properly seated.

Browse all codes in this manual (170)
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 error00Normal operation - No error codes1 beep during error display mode1 beep during error display mode - Unit has an error (different code)
Source: Mitsubishi Electric Air Conditioning
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