Troubleshooting Guide
86
Universal System Air Conditioner
• Confirm that the vertical louver is normally geared with the shaft of Stepping Motor.
• If the regular torque is detected when rotating the vertical louver with hands
⇒
Normal
• Check the connecting condition of CN-U/D or CN0L/R Connector
• Check the soldering condition(on PCB) of CN-U/D or CN0L/R Connector
Check the operating circuit of the vertical louver
• Confirm that there is DC +12V between pin
➀
of CN-U/D, CN0L/R and GND.
• Confirm that there is a soldering short at following terminals.
- Between
1
,
2
,
3
and
4
of MICOM
- Between
17
,
18
,
19
and
20
of MICOM
- Between
4
,
5
,
6
and
7
of IC01M
- Between
5
,
6
,
7
and
8
of IC01M
When the louver does not operate.
Trouble 5
If there are no problems after above checks.
• Confirm the assembly condition that are catching and interfering parts in the link of the
vertical louver
Содержание ABNH366GLAC
Страница 64: ...64 Universal System Air Conditioner II Outdoor Units Introduction 65 AUUW C R410A 67 ...
Страница 72: ...72 Universal System Air Conditioner Inverter SINGLE A AUUW368C AUUW368C1 3 Wiring Diagrams ...
Страница 73: ...Service Manual 73 Inverter SINGLE A AUUW42 48 608C ...
Страница 107: ...Electronic Control Device Service Manual 107 Main P C B ASM A 6871A10209 B 58 Ceiling Cacsette Type ...
Страница 108: ...Electronic Control Device 108 Universal System Air Conditioner BG BR Series Ceiling Duct Type ...
Страница 109: ...Electronic Control Device Service Manual 109 VK VL Series Ceiling Suspended ASM 6871A10025 ASM 6871A10186 ...
Страница 110: ...Electronic Control Device 110 Universal System Air Conditioner Outdoor Unit 1 Component side ...
Страница 111: ...Electronic Control Device Service Manual 111 2 Solder side ...
Страница 113: ...Schematic Diagram Service Manual 113 Ceiling Cassette Type ...
Страница 114: ...Schematic Diagram 114 Universal System Air Conditioner Ceiling Duct Type ...
Страница 115: ...Schematic Diagram Service Manual 115 Ceiling Suspended ...
Страница 116: ...Schematic Diagram 116 Universal System Air Conditioner G G N L N L C 3 C 2 C 4 C 1 Outdoor Unit ...
Страница 154: ...P No MFL30301501 Printed in Korea ...