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Operation 3 Times / Timer 5 Times / 35

Operation LED blinks 3 times, Timer LED blinks 5 times, and wired remote shows 35 — Manual auto switch error.

Fujitsu · 410A Multi-Zone Mini-Split Systems

What does Operation 3 Times / Timer 5 Times / 35 mean?

The manual auto switch on the indoor unit is detected as being 'on' (pressed) for 60 or more consecutive seconds.

Common Causes

  • The manual auto switch is physically stuck or jammed in the pressed position.
  • The manual auto switch itself is faulty.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Locate the manual auto switch on your indoor unit and check if it is physically stuck or jammed.

  2. 2

    Gently try to release the switch if it appears stuck.

  3. 3

    Reset the power to the unit by cycling its circuit breaker.

  4. 4

    If the issue persists, the switch may be defective and require professional service.

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

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Source: Fujitsu 410A Multi-Zone Mini-Split Systems
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