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00

Normal operation - No error codes

Mitsubishi Electric · Air Conditioning

What does 00 mean?

The unit is operating normally or has no memorized errors. The '00' code indicates that no faults were detected during the last check or operation cycle.

Common Causes

  • Normal operation
  • No active errors

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    If you are troubleshooting, try to reproduce the original issue.

  2. 2

    If the issue persists, check other error codes.

  3. 3

    If no other codes appear, the unit may be functioning correctly.

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 error1 beep during error display mode1 beep during error display mode - Unit has an error (different code)1 beep during recall1 beep during error code recall - Unit has an error (different code)
Source: Mitsubishi Electric Air Conditioning
Open Manual (Page 37)Search more codes in this manual