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POWER lamp 2-time flash (Air Purifying Recall) - Discharge Error 1

POWER lamp 2-time flash — Electrode (Spark discharge) error 1 (air purifying recall mode)

Mitsubishi Electric · MSZ-FH Air Conditioners

What does POWER lamp 2-time flash (Air Purifying Recall) - Discharge Error 1 mean?

When in air purifying power failure mode recall function, the POWER lamp flashes two times. This indicates an abnormal electric discharge error where the voltage on the electronic P.C. board falls by 1.2V below the normal voltage (2.5V).

Common Causes

  • Abnormal electric discharge
  • Electrode malfunction
  • Electronic P.C. board issue

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Refer to 10-6. 'Check of AIR PURIFYING power' (further details may require an installer).

  2. 2

    Ensure the unit's front panel is properly closed.

  3. 3

    Contact an authorized service technician for diagnosis and repair if the issue persists.

Browse all codes in this manual (41)
Verified technical data. Last updated: April 2026

Related Faults

3-minute delayCompressor does not restart immediately — 3-minute time delay activeAIR PURIFYING lamp 2-time flashAIR PURIFYING lamp flashes 2 times — Air purifying power supply issue or front panel not closedAIR PURIFYING lamp 2-time flash - CircuitAIR PURIFYING lamp 2-time flash — Air purifying power control circuit error
Source: Mitsubishi Electric MSZ-FH Air Conditioners
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