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Red Off, Green 8 Flashes

Red Off, Green 8 Flashes (Single System) — Wired Remote Control Failure

Fujitsu · Air Conditioners

What does Red Off, Green 8 Flashes mean?

The green LED light on the indoor unit flashes eight times while the red LED is off. This indicates a problem with the wired remote control or its connection to the indoor unit.

Common Causes

  • Faulty wiring between the remote control and the indoor unit.
  • Loose connection at the wired remote control or indoor unit terminal.
  • Malfunctioning wired remote control unit itself.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Check all wiring connections between the wired remote control and the indoor unit for security.

  2. 2

    Ensure the remote control's cable is not damaged or bent sharply.

  3. 3

    Turn off the power to the indoor unit, wait, then restore power to reset the control system.

  4. 4

    If the fault persists, a replacement remote or wiring inspection by a technician may be necessary.

Browse all codes in this manual (60)
Verified technical data. Last updated: April 2026

Related Faults

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Source: Fujitsu Air Conditioners
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