106 Multi type Air Conditioner
Troubleshooting Guide
Electronic Parts Troubleshooting Guide
❇
Refer to electronic contorol device drawing & schematic diagram.
1. L4UC608FA0, L5UC728FA0, L8UC1008FA0, L8UH1008FA0
The Product doesn’t operate at all.
Turn off the main power and wait until LED on outdoor PCB is off.
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
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.W.B. Ass'y
(Fuse, Noise Filter, Power Transformer, IC01D, IC02D, etc.)
Trouble 1
NO
YES
The operation check of the P.C.B. Ass'y
Procedure
1) The input voltage of power trans-
former.
2) The output voltage of power
transformer.
3) IC01D(7812)
4) IC02D(7805)
5) IC01A(KIA7036)
Specification
1) AC230V ± 30V
: Check the rated voltage
2) 14V ± 3V
3) DC12V
4) DC5V
5) The voltage of micom pin 29
: DC4.5V
↑
Remedy
1) Replace
power transfomer.
2) Replace
power transfomer.
3) Replace IC01D.
4) Replace IC02D.
5) Replace IC01A.
Содержание L8UC100BFA0
Страница 92: ...92 Multi type Air Conditioner Schematic Diagram 2 Outdoor Unit 1 L8UC100BFA0 L8UH100BFA0 ...
Страница 95: ...Service Manual 95 L8UH100BFA0 L8UC100BFA0 Schematic Diagram 2 Outdoor Unit ...
Страница 97: ...Service Manual 97 2 Duct Type High static BH BG BE chassis Schematic Diagram ...
Страница 98: ...98 Multi type Air Conditioner Schematic Diagram Low static BT BT1 chassis ...
Страница 99: ...Service Manual 99 4 way TE TF TD chasis 58 B Schematic Diagram ...
Страница 100: ...100 Multi type Air Conditioner Schematic Diagram 2 Display ASSEMBLY 1 Split Type ...
Страница 153: ...P No 3828A22009L October 2005 Printed in Korea ...