Fujitsu AS G07KGTA Series - User Manual

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SPLIT TYPE

ROOM AIR CONDITIONER

WALL MOUNTED

type

Models Indoor unit Outdoor unit

INVERTER

AS*G07KGTA

AS*G09KGTA

AS*G12KGTA

AS*G14KGTA

AO*G07KGCA

AO*G09KGCA

AO*G12KGCA

AO*G14KGCA

Models

SERVICE

INSTRUCTION

RSG07KGTA

RSG09KGTA

RSG12KGTA

RSG14KGTA

ROG07KGCA

ROG09KGCA

ROG12KGCA

ROG14KGCA

Table of Contents

Questions and Answers

A
Alexander ChungAug 8, 2025
What to do if my Fujitsu AS G07KGTA shows a serial communication error (Serial Reverse Transfer Error)?
- R
  Rebecca StevensAug 8, 2025
  If your Fujitsu Air Conditioner displays a serial communication error (Serial Reverse Transfer Error), you can try the following: * Reset the power and operate the unit again. A connection failure might be the cause. * Inspect the connection lines between the indoor and outdoor units for any looseness or disconnections. If any issues are found, correct them. * Verify the power supply voltage. It should measure between AC207V and AC253V at the outdoor unit terminals L-N. * Check the serial signal (Reverse Transfer Signal) at the outdoor unit terminals 1-3. The indicated value should swing between AC90V and AC270V. If abnormal, inspect the outdoor fan motor. If the fan motor is faulty, replace both the motor and the Main PCB. If the fan motor is working, replace the Main PCB.
S
Sandra BrownAug 16, 2025
What to do if my Fujitsu AS G07KGTA Air Conditioner shows an external communication error?
- D
  David AllenAug 16, 2025
  If your Fujitsu Air Conditioner is showing an external communication error, check the following: * Inspect all connections between the controller PCB and the external I/O PCB or Wi-Fi adapter for any loose or removed connections. Also, check the external I/O PCB, Wi-Fi adapter, and the controller PCB for loose connectors, open cables, or mis-wiring. Correct any abnormal conditions found. * If the issue persists, replace the External I/O PCB or Wi-Fi adapter. * If the problem still continues, replace the Controller PCB.
J
joanna73Aug 20, 2025
Why is my Fujitsu Air Conditioner showing an indoor unit capacity error?
- M
  mcintoshjaniceAug 20, 2025
  If your Fujitsu Air Conditioner displays an indoor unit capacity error, it might be due to an incorrect selection of indoor units. Check the total capacity of the connected indoor units and correct any abnormalities found. If the problem persists, replace the Main PCB.
M
Michael JohnsonAug 25, 2025
Why is my Fujitsu Air Conditioner showing a combination error?
- P
  paulalexanderAug 26, 2025
  If your Fujitsu Air Conditioner is showing a combination error, it could be due to an incorrect selection of indoor units. Verify the type of connected indoor units and correct any inconsistencies. If the issue remains, replace the Main PCB of the Outdoor unit.
D
Denise StephensAug 29, 2025
What causes an indoor unit address setting error on my Fujitsu AS G07KGTA?
- Z
  zoepadillaAug 29, 2025
  An indoor unit address setting error on your Fujitsu Air Conditioner can be caused by: * Wrong wiring of the RCgroup. * Incorrect remote address settings, such as mismatched addresses between auto-set (00) and manually set numbers, or duplicate addresses within the same RCgroup. Also, check the controller PCB for damage. Replace the controller PCB and check for the error after setting the remote controller address.
K
kristopher25Sep 2, 2025
What causes a connection unit number error (Indoor unit Wired remote controller error) on my Fujitsu Air Conditioner?
- S
  scottbryanSep 2, 2025
  A connection unit number error (Indoor unit Wired remote controller error) on your Fujitsu Air Conditioner could be due to a wrong number of connecting indoor units. Also, check if the controller PCB is damaged.
J
Jacob SmithNov 10, 2025
What to do if my Fujitsu Air Conditioner shows a serial communication error (Serial Forward Transfer Error)?
- W
  William Atkinson IIINov 11, 2025
  If your Fujitsu Air Conditioner is showing a serial communication error (Serial Forward Transfer Error), here are some steps you can take: 1. First, try resetting the power to the unit and operating it again, as the error might be due to a simple connection failure. 2. Check for any loose or disconnected connection lines between the indoor and outdoor units. Correct any issues found. 3. Ensure that the power supply voltage is within the range of AC207V to AC253V at the outdoor unit terminals L-N. 4. Check the serial signal (Forward Transfer Signal) at the outdoor unit terminals 2-3. The indicated value should swing between AC30V and AC130V. If it's abnormal, replace the Controller PCB. Also, inspect the indoor unit fan motor. If the fan motor is faulty, replace both the fan motor and ...

Fujitsu AS G07KGTA Series Specifications

General

Refrigerant	R32
Cooling Capacity	2.05 kW
Heating Capacity	2.35 kW
Power Supply	220-240V, 50Hz
Type	Split Type
Cooling Capacity (BTU)	7000 BTU
Heating Capacity (BTU)	8000 BTU

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