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95

Error 95 (9 Green, 5 Red Flashes) — Detection of compressor position error / Compressor start up error

Fujitsu · Air to Water Heat Pumps

What does 95 mean?

The hydraulic unit's green LED flashes nine times and the red LED flashes five times. This indicates a problem with detecting the compressor's rotational position or an issue during the compressor's startup sequence.

Common Causes

  • Faulty compressor or its starting components.
  • Issues with the inverter module that controls the compressor.
  • Electrical problems affecting compressor motor windings.
  • Internal communication error preventing proper startup.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Power cycle the heat pump system by turning off the main breaker for 60 seconds and then restoring power.

  2. 2

    Ensure stable and consistent power supply to the outdoor unit.

  3. 3

    If the error persists, contact a qualified technician immediately, as this error often points to significant issues with the compressor or inverter system requiring specialized repair.

Browse all codes in this manual (59)
Verified technical data. Last updated: April 2026

Related Faults

1 Flash (Outdoor Unit)Outdoor Unit LED 1 Flash — Serial forward transfer error10Fault 10 — Outdoor sensor error11Error 11 (1 Green, 1 Red Flash) — Communication error between Hydraulic and Outdoor unit
Source: Fujitsu Air to Water Heat Pumps
Open Manual (Page 6)Search more codes in this manual