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Fujitsu Error Codes & Troubleshooting

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Fujitsu Error Codes & Troubleshooting

Fujitsu air conditioners provide reliable comfort with advanced inverter technology and smart controls.

8 Error Codes Listed1 Critical Issues

Error Code: Error 01

High pressure switch

HIGH
Troubleshooting Steps:

High pressure protection activated. Check system pressures and airflow restrictions.

High Priority: Professional attention recommended to prevent damage.
Call for Help

Error Code: Error 02

Low pressure switch

HIGH
Troubleshooting Steps:

Low pressure protection activated. Check refrigerant levels and leaks.

High Priority: Professional attention recommended to prevent damage.
Call for Help

Error Code: Error 03

Compressor overcurrent

CRITICAL
Troubleshooting Steps:

Compressor drawing excessive current. Professional diagnosis required.

Critical Issue: Turn off your system immediately and contact a professional technician.
Call for Help

Error Code: Error 04

System malfunction

HIGH
Troubleshooting Steps:

General system fault detected. Comprehensive professional diagnosis needed.

High Priority: Professional attention recommended to prevent damage.
Call for Help

Error Code: Error 05

Outdoor temperature sensor

MEDIUM
Troubleshooting Steps:

Outdoor temperature sensor malfunction. Check sensor and connections.

Call for Help

Error Code: Error 06

Indoor temperature sensor

MEDIUM
Troubleshooting Steps:

Indoor temperature sensor error. Affects temperature control accuracy.

Call for Help

Error Code: Error 07

Communication error

MEDIUM
Troubleshooting Steps:

Communication fault between units. Check wiring and connections.

Call for Help

Error Code: Error 08

Power supply error

MEDIUM
Troubleshooting Steps:

Power supply voltage abnormality. Check electrical supply and connections.

Call for Help

Still Having Issues with Your Fujitsu System?

Our certified technicians are experts in Fujitsu air conditioning systems. We provide professional diagnosis, repair, and maintenance services across Melbourne.

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Call 0405 133 761

Available 24/7 for emergencies

Quick Actions

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Error Severity Guide

CRITICALTurn off system immediately
HIGHProfessional attention needed
MEDIUMSchedule service soon
LOWMonitor and maintain

Safety First

  • Always turn off power before inspection
  • Never attempt electrical repairs yourself
  • Check for gas leaks if you smell refrigerant
  • Call professionals for critical errors
  • Regular maintenance prevents problems