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ON-TIMER not set

ON-TIMER not set — Setting not completed within 60 seconds

MHI · Air Conditioning

What does ON-TIMER not set mean?

When setting the ON-TIMER, the timer setting will not be completed if the final button press is not made within 60 seconds of the previous step. The timer display will not change from blinking to steady.

Common Causes

  • Too much time elapsed between steps during the ON-TIMER setting procedure.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Restart the ON-TIMER setting procedure from the beginning.

  2. 2

    Ensure to press the ON TIMER button to confirm the setting within 60 seconds after adjusting the time.

  3. 3

    Press the CANCEL button if you need to restart the timer setting process completely.

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

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Source: MHI Air Conditioning
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