Fujitsu ASYA07LCC - User Manual

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SPLIT TYPE

ROOM AIR CONDITIONER

WALL MOUNTED

type

Models Indoor unit Outdoor unit

ASYA07LCC

ASYA09LCC

ASYA12LCC

ASYA14LCC

ASYA18LCC

ASYB09LDC

ASYB12LDC

AOYR07LCC

AOYR09LCC

AOYR12LCC

AOYR14LCC

AOYR18LCC

AOYS09LDC

AOYS12LDC

INVERTER

SERVICE

INSTRUCTION

R410A

Main Page

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Questions and Answers

L
lisa69Sep 2, 2025
Why Fujitsu ASYA07LCC Air Conditioner shows serial reverse transfer error at starting up operation?
- J
  Jill ParkSep 2, 2025
  If your Fujitsu Air Conditioner displays a serial reverse transfer error at startup, it means the indoor unit isn't receiving a signal for 10 seconds after the power relay turns on. Check the indoor/outdoor cable connection. If the wiring is normal, measure the voltage of the outdoor unit terminals and diagnose the defective location.
M
Mary ChavezAug 31, 2025
What does main relay error mean on Fujitsu ASYA07LCC?
- G
  Gregory FowlerAug 31, 2025
  If your Fujitsu Air Conditioner displays a main relay error, it means that after 2 minutes 20 seconds of stopping operation, the signal from the outdoor unit is received even though the main relay is OFF. The main relay might be defective or the Controller PCB might be defective.
S
Stephanie HunterAug 29, 2025
What causes a room temperature thermistor defective in Fujitsu ASYA07LCC Air Conditioner?
- M
  Matthew JonesAug 29, 2025
  If your Fujitsu Air Conditioner shows a room temperature thermistor defect, it means the thermistor detected an abnormal temperature when the power was turned on. Check the thermistor resistance value. The controller PCB might be defective.
R
romerothomasAug 28, 2025
What to do if my Fujitsu ASYA07LCC Air Conditioner has indoor fan speed error?
- S
  Spencer GravesAug 28, 2025
  If your Fujitsu Air Conditioner displays an indoor fan speed error, it means the indoor fan speed is 1/3 of the target frequency after 56 seconds from starting or changing the fan mode. Here’s what to check: * Check the fan motor connector for looseness or defective contact. * The fan motor might be defective. * The controller PCB might be defective.
J
James DyerAug 26, 2025
What to do if my Fujitsu ASYA07LCC has indoor fan lock error?
- R
  raymondpaceAug 27, 2025
  If your Fujitsu Air Conditioner displays an indoor fan lock error, it means the indoor fan speed is 0 rpm after 56 seconds from starting or changing the fan mode. Here’s what to check: * Check the fan motor connector for looseness or defective contact. * The fan motor might be defective. * The controller PCB might be defective.
J
Justin PenningtonAug 25, 2025
What causes IPM protection in my Fujitsu Air Conditioner?
- A
  Aaron DayAug 25, 2025
  If your Fujitsu Air Conditioner is showing IPM protection, it indicates that an abnormal current value has been detected. Here's what you should check: * Ensure that heat radiation is not blocked at the inlet or outlet. * Verify that the outdoor fan is functioning correctly and rotating. * The controller PCB might be defective.
I
ingramcherylAug 22, 2025
What to do if my Fujitsu Air Conditioner shows excessive high pressure protection on cooling?
- W
  William Harvey MDAug 23, 2025
  If your Fujitsu Air Conditioner is showing an excessive high pressure protection error during cooling, check the following: * Ensure that heat radiation is not blocked at the inlet or outlet. * Verify that the outdoor fan is functioning correctly and rotating. * Check for any issues with the refrigeration cycle.