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PLEASE WAIT

Remote controller displays 'PLEASE WAIT' - System startup or disabled during function selection

MHI · Air Conditioning

What does PLEASE WAIT mean?

The remote controller displays 'PLEASE WAIT' for a short period after power-on (approx. 2 minutes) during normal system startup, or for about 30 seconds after canceling function selection. During this time, the remote controller cannot be operated.

Common Causes

  • Normal system startup process.
  • Temporary disablement after canceling function selection.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Wait until 'PLEASE WAIT' disappears from the display before attempting to operate the remote controller.

  2. 2

    Ensure the main power supply has been on for at least 2 minutes for normal startup completion.

  3. 3

    If the message persists beyond typical startup times, check for other error codes or symptoms.

Browse all codes in this manual (124)
Verified technical data. Last updated: April 2026

Related Faults

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Source: MHI Air Conditioning
Open Manual (Page 18)Search more codes in this manual