- 54 -
• 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-UP/DOWN Connector
• Check the soldering condition(on PWB) of CN-UP/DOWN Connector
Check the operating circuit of the Vertical Louver
• Confirm that there is DC +12V between pin
¤Ł
(RED) of CN-UP/DOWN and
GND.
• Confirm that there is a soldering short at following terminals.
- Between
§œ
,
§ß
,
§
and
§
of MICOM
- Between
¤Ø
,
¤Œ
,
¤º
and
¤
of IC7
- Between
¤æ
,
¤
,
¤
and
¤
of IC7
- Between
¤
,
¤Ł
,
¤Ø
,
¤Œ
and
¤º
of CN-UP/DOWN
If there are no problems after above checks
• Confirm the assembly conditions that are catching and interfering parts in
the rotation radial of the Vertical Louver
6. When Vertical Louver does not operate.
Содержание HMC009KD
Страница 62: ...62 Schematic Diagram...
Страница 63: ...63...
Страница 68: ...2 Indoor Unit 18K 24K 3828AR7036Q 68 26 27 23 28 19 25 24 21 20 8 7 6 4 5 1 3 18 15 14 13 16 11 10 9 12 17 22 2...
Страница 83: ...P NO 3828AR7036Q Printed in Korea...