Fujitsu Appliance Repair Service
Specialist repairs using genuine Fujitsu spare parts

Heating
Gas Safe registered engineers for Fujitsu floor standing radiator. Fault diagnosis, part replacement and annual servicing across Cambridgeshire.
No hot water or heating?
Fujitsu heating breakdowns repaired fast by Gas Safe engineers. Available seven days a week across Cambridgeshire.


Climate Control
F-Gas certified engineers for Fujitsu split ac, cassette ac, ducted ac, ceiling standing ac and floor standing air conditioner. Installation, fault diagnosis and refrigerant handling across Cambridgeshire.
Air conditioning not cooling?
Fujitsu climate control repairs by certified engineers. Same-day response available across Cambridgeshire.


Climate Control
Professional Fujitsu ducted ac and ceiling standing ac repair service in Peterborough. Certified technicians with genuine spare parts and a written warranty.
Air conditioning not cooling?
Fujitsu climate control repairs by certified engineers. Same-day response available across Cambridgeshire.

Climate Control
Professional Fujitsu floor standing air conditioner repair service in Peterborough. Certified technicians with genuine spare parts and a written warranty.
Air conditioning not cooling?
Fujitsu climate control repairs by certified engineers. Same-day response available across Cambridgeshire.

Renewable Energy
MCS-accredited installation and repair for Fujitsu air source heat pump. Heat pump diagnostics, refrigerant handling and efficiency optimisation.
Heat pump underperforming?
Specialist Fujitsu renewable energy engineers. MCS-accredited service across Cambridgeshire.
Why Fujitsu Appliances Need Specialist Repair
Fujitsu appliances incorporate advanced proprietary systems that require certified engineers with brand-specific training to diagnose and repair correctly.
Fujitsu appliances use integrated electronic diagnostics. Our engineers connect directly to Fujitsu control boards using brand-specific tools to read fault codes and pinpoint issues accurately.
Every repair uses genuine Fujitsu spare parts sourced directly from authorised distributors. Original components ensure compatibility, performance and longevity — backed by a manufacturer warranty.
Fujitsu appliances must meet strict UK safety regulations. Our certified engineers follow Fujitsu service procedures and test every repair to BS EN standards before sign-off.
Many Fujitsu appliances feature Wi-Fi connectivity and smart home integration. Our engineers can diagnose firmware issues, reset connectivity modules and restore remote control functionality.
Common Fujitsu Error Codes
What does error E:12 mean on a Fujitsu AC unit?
Error E:12 indicates the indoor fan motor is not operating correctly. Check if the fan blade can rotate freely with power off. Contact a specialist technician to inspect and repair or replace the fan motor.
What do 4 red and 3 green flashes mean on a Fujitsu unit?
Four red and three green LED flashes indicate a main relay fault on Fujitsu units. The relay may have welded closed. Do not continue operating the unit. Contact a specialist technician immediately.
What do 4 red and 4 green flashes mean on a Fujitsu unit?
Four red and four green LED flashes indicate a power failure or power supply issue on Fujitsu units. Check the power supply to both indoor and outdoor units. Verify the isolator switch is on and check your fuse box. If power appears normal, contact a specialist technician.
What do 5 red and 3 green flashes mean on a Fujitsu unit?
Five red and three green LED flashes indicate a CT (Current Transformer) sensor abnormality on Fujitsu units. This affects the current monitoring of the compressor circuit. Contact a specialist technician to diagnose the outdoor unit.
What does error E:1C mean on a Fujitsu AC unit?
Error E:1C indicates communication between the inverter board and main PCB has failed. Contact a specialist technician to diagnose and repair the outdoor unit control electronics.
Frequently Asked Questions
What does it mean when the lights are blinking on my Fujitsu unit?
A blinking light typically indicates a fault has been detected. Fujitsu air conditioners have three indicator lights on the indoor unit: Operation, Timer, and Economy. The number of flashes indicates the specific error code detected.
How should I use the timer function on my Fujitsu air conditioner?
The timer function lets you schedule the unit to turn on or off automatically at specific times. Use the ON timer to start the unit before you wake up or return home. Use the OFF timer to stop the unit after you fall asleep. The sleep timer automatically modifies temperature settings to prevent excessive warming or cooling during sleep.
What sounds are normal from my Fujitsu air conditioner?
Several sounds are normal during operation: water running in the pipe during operation and shortly after shutdown; refrigerant circulating for two to three minutes after you turn the unit on; slight squeaking as the front cover expands or shrinks due to temperature change; and sizzling sounds during heating mode caused by automatic defrosting.
What is Super Quiet mode on my Fujitsu air conditioner?
Super Quiet mode reduces the indoor unit's airflow for quieter operation, making it effective when you need minimal noise such as during the night. Note that this mode reduces the unit's output capacity, so cooling or heating will be less powerful. Super Quiet mode cannot be used during Dry mode operation.
How often should I clean the filters on my Fujitsu air conditioner?
As a general rule, clean the filters at least once a month if you use your air conditioner daily. If you only use the unit occasionally, cleaning every three months is usually sufficient to maintain good airflow and performance.
Areas We Cover in Cambridgeshire
Fujitsu appliance repair service across the ten largest towns in the county
Book a Fujitsu Repair
Specialist Fujitsu engineers. No-obligation quote.