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AIR PURIFYING lamp 2-time blink

AIR PURIFYING lamp blinks 2 times — Air Purifying device error (real-time)

Mitsubishi Electric · MSZ-AY Air Conditioners

What does AIR PURIFYING lamp 2-time blink mean?

When the AIR PURIFYING lamp blinks 2 times, it indicates an error with the air purifying device. The air purifying operation will not be conducted.

Common Causes

  • Error with the air purifying device.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Ensure the front panel of the unit is securely closed, as opening it will cut the AIR PURIFYING power.

  2. 2

    Try resetting the unit by turning off the main power supply for a few minutes, then turning it back on.

  3. 3

    If the issue persists, contact a qualified service technician for diagnosis and repair.

Browse all codes in this manual (43)
Verified technical data. Last updated: April 2026

Related Faults

AIR PURIFYING lamp 2 blinksAIR PURIFYING lamp blinks 2 times — Front panel not firmly closed or interlock switch issueAIR PURIFYING lamp continuous blinkAIR PURIFYING lamp continuously blinks — Air purifying device dirty, wet, or malfunctionAIR PURIFYING lamp continuously blinkingAIR PURIFYING lamp continuously blinking — Air Purifying power control circuit out of order
Source: Mitsubishi Electric MSZ-AY Air Conditioners
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