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60

Fault 60 — Room sensor 1 error

Fujitsu · Air to Water Heat Pumps

What does 60 mean?

The system detects an issue with room sensor 1, indicating it cannot accurately measure the room temperature in the primary zone.

Common Causes

  • Faulty room sensor.
  • Loose or corroded wiring connections to the sensor.
  • Sensor obstructed, covered, or placed in an unsuitable location.
  • Incorrect polarity of the room sensor wiring.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Attempt a manual fault reset via the info key on the unit's display.

  2. 2

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

  3. 3

    Ensure the room sensor is not covered by furniture or curtains and is away from heat sources or drafts.

  4. 4

    Check the sensor's wiring connections for looseness, damage, or incorrect polarity (if safely accessible with power off).

  5. 5

    If the issue persists, contact a qualified technician to test or replace the room sensor.

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 5)Search more codes in this manual