CodeRegistry
Brands
  1. Home
  2. Mitsubishi Electric
  3. MSZ-AY Air Conditioners
  4. POWER lamp 3-time blink (recall)
About·Privacy·Terms

CodeRegistry — Your global library for technical solutions.

For your safety: always follow the equipment manufacturer’s official manuals. CodeRegistry is an independent help site and is not affiliated with the brands listed here.

POWER lamp 3-time blink (recall)

Indoor POWER lamp blinks 3 times (in recall mode) — Abnormal electric discharge error 1

Mitsubishi Electric · MSZ-AY Air Conditioners

What does POWER lamp 3-time blink (recall) mean?

In AIR PURIFYING power failure mode recall function, if the indoor POWER lamp blinks three times, it indicates an abnormal electric discharge error. This happens when the voltage between CN1T1 (+) and (GND) on the electronic P.C. board rises above 3V.

Common Causes

  • Abnormal electric discharge condition in the air purifying system.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Release the failure mode recall function by cycling power to the unit or pressing the remote controller's RESET button.

  2. 2

    Ensure the front panel is securely closed.

  3. 3

    If the problem persists, contact a service technician to investigate abnormal electric discharge.

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 2-time blinkAIR PURIFYING lamp blinks 2 times — Air Purifying device error (real-time)AIR PURIFYING lamp continuous blinkAIR PURIFYING lamp continuously blinks — Air purifying device dirty, wet, or malfunction
Source: Mitsubishi Electric MSZ-AY Air Conditioners
Open Manual (Page 32)Search more codes in this manual