Fujitsu ASYG09LLCE Service Instruction

Trouble shooting 20
Forecast of Cause:
Indoor Unit - No Power
1. Power supply failure 2. External cause
3. Electrical components defective
Check Point 1 : Check Installation Condition
Isn’t the breaker down?
Check loose or removed connection cable.
>>If abnormal condition is found, correct it by referring
to Installation Manual or Data & Technical Manual.
Check Point 2 : Check external cause at Indoor and Outdoor (Voltage drop or Noise)
Instant drop ----- Check if there is a large load electric apparatus in the same circuit.
Momentary power failure ----- Check if there is a defective contact or leak current in
the power supply circuit.
Noise ----- Check if there is any equipment causing harmonic wave near electric line.
(Neon bulb or electric equipment that may cause harmonic wave)
Check the complete insulation of grounding.
02-20
2-3 TROUBLE SHOOTING WITH NO ERROR CODE
Check Point 3 : Check Electrical Components
NO
Check the voltage of power supply.
>> Check if AC207 - 253V appears at Outdoor Unit Terminal L - N.
Check Fuse in Main PCB.
>> If Fuse is open, check if the wiring between Terminal and Main PCB
is loose, and replace Fuse.
Check Varistor in Main PCB.
>> If Varistor is defective, there is a possibility of an abnormal power supply.
Check the correct power supply and replace Varistor.
Upon checking the normal power supply, replace Varistor.
OK
YES
OK

Fujitsu ASYG09LLCE Specifications

General

Type	Air conditioner indoor unit
Multi-split	-
Product color	White
Inverter technology	Yes
Refrigerating medium	R410A
Air conditioner functions	Cooling, Dehumidifying, Heating
Refrigerating medium weight	650 g
Cooling capacity in watts (nominal)	- W
Operating temperature (cooling) (T-T)	-10 - 43 °C
Operating temperature (heating) (T-T)	-15 - 24 °C
Heating capacity in watts (nominal) (Average heating season)	3000 W
Airflow	1670 m³/h
Outdoor unit noise level	- dB
AC input voltage	230 V
AC input frequency	50 Hz
Design load (cooling)	- kW
Annual energy consumption (cooling)	127 kWh
Hourly energy consumption (cooling)	- kWh
Indoor unit type	Wall-mountable
Indoor unit depth	206 mm
Indoor unit width	820 mm
Indoor unit height	262 mm
Indoor unit weight	7000 g
Indoor unit noise level (high speed)	720 dB