Service Manual 69
Troubleshooting Guide
Electronic Parts
❇
Refer to electronic contorol device drawing & schematic diagram.
The Product doesn’t operate at all.
Turn off the main power and wait to 10 seconds
Turn on the main power again.
Does "Beeping" sound is made from the indoor unit?
• Primarily, the operating condi-
tion of Micom is O.K.
• Check CN-DISP1
CN-DISP2 of indoor DC PCB
Check the voltage of power(AC220V/AC240V, 50Hz).
• The voltage of main power.
• The voltage applied to the unit.
• The connecting method of Indoor/Outdoor connecting cable (each color)
• The P.C.B. Ass'y
(Fuse, Noise Filter, Power Module, Bridge Diode, etc.)
Trouble 1
NO
YES
The operation check of the Indoor P.C.B. Ass'y
Procedure
1) The input voltage of power mod-
ule.
2) The output voltage of power mod-
ule.
4) IC04D(7805)
5) IC01A(KIA7036)
Specification
1) AC230V ± 30V
: Check the rated voltage
2) 12V ± 3V
4) DC5V
5) The voltage of micom pin 19
: DC4.5V
↑
Remedy
1) Check the power outlet.
2) Replace
P.C.B Ass'y
4) Replace P.C.B Ass'y
5) Replace P.C.B Ass'y
Содержание AS-W096QGG1
Страница 48: ...48 Room Air Conditioner Schematic Diagram Schematic Diagram Electric Control Device Indoor ...
Страница 49: ...Service Manual 49 Schematic Diagram Outdoor AS W096_Series AS W126_Series ...
Страница 50: ...50 Room Air Conditioner Schematic Diagram Outdoor AS W186_Series AS W246_Series ...
Страница 55: ...Service Manual 55 Schematic Diagram OUTDOOR MAIN P W B ASSEMBLY AS W096QGG1 AS W126RGH1 BOTTOM VIEW TOP VIEW ...
Страница 84: ...P No 3828A20195S February 2007 Printed in Korea ...