CodeRegistry
Brands
  1. Home
  2. Fujitsu
  3. Waterstage SuperHP Heat Pumps
  4. 32
About·Privacy·Terms

CodeRegistry — Your global library for technical solutions.

For your safety: always follow the equipment manufacturer’s official manuals. CodeRegistry is an independent help site and is not affiliated with the brands listed here.

32

Error 32 - Flow sensor 2 fault

Fujitsu · Waterstage SuperHP Heat Pumps

What does 32 mean?

The user interface displays '32: Flow sensor 2', indicating an issue with flow sensor 2 (Location: BX31 (X153)), often in a secondary or different hydraulic circuit. This error typically triggers an automatic reset.

Common Causes

  • Faulty flow sensor 2.
  • Damaged or loose wiring to flow sensor 2.
  • Obstruction in the water flow path where sensor 2 is located.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Turn off the main power supply to the heat pump for 30 seconds, then turn it back on.

  2. 2

    Check the hydraulic system for proper water flow in the relevant circuit where sensor 2 is installed.

  3. 3

    Allow time for the automatic reset to occur (default 6 hours) or use the manual reset function (Line 6711) if available.

  4. 4

    Contact a qualified service technician to inspect or replace flow sensor 2.

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

Related Faults

10Error 10 - Outdoor sensor fault100Error 100 - Two master clocks on bus102Error 102 - Clock without running supply
Source: Fujitsu Waterstage SuperHP Heat Pumps
Open Manual (Page 93)Search more codes in this manual