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TIMER light 6-time flash (RUN light ON)

TIMER light 6-time flash (RUN light ON) - Circuit error

MHI · Air Conditioning

What does TIMER light 6-time flash (RUN light ON) mean?

The indoor unit has detected a general circuit malfunction. This indicates an electrical problem within the system.

Common Causes

  • Circuit failure.
  • Poor connector connection on the circuit board.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Turn off the air conditioner at the main power supply and wait a few minutes.

  2. 2

    Check that the power supply to the unit is stable and there are no tripped circuit breakers.

  3. 3

    If the error persists, contact a qualified service technician, as internal components may need inspection.

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

Related Faults

00Outdoor Board LED only green lights up after startup - No outdoor unit of address 0 / Remote controller transmission wire open1OPERATION INDICATOR lamp blinks 1 time (Pattern A) - Indoor/outdoor unit communication error (Transmitting error - Outdoor unit)14OPERATION INDICATOR lamp blinks 14 times (Pattern A) - Other errors
Source: MHI Air Conditioning
Open Manual (Page 38)Search more codes in this manual