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4. When the UP/DOWN Louver Motor Does Not Operate - Initial Diagnosis
4. When the UP/DOWN Louver Motor Does Not Operate - Initial Diagnosis
1) Checklist :
(1) Is input voltage normal?
(2) Is the UP/DOWN louver motor properly connected with the connector (CN61)?
2) Troubleshooting procedure
Remove the power cord and plug it in again in approx. five seconds
Does STD lamp blink?
Does it start operating when you push the swing
button of the remote control?
Is voltage of #58 ~ #61 of Micom (ICO4)
changed?(Squarewave)
Is voltage of #13 ~ #16 of IC06 (ULN2003A)
changed?(Squarewave)
The UP/DOWN louver motor is abnormal.
Driver IC06 (ULN2003A) is abnormal.
Micom (IC04) is abnormal.
Normal
Check as the procedure "No
Power". Refer to page 14
NO
NO
NO
YES
YES
YES
NO
YES
AS07AS(6)MA SM_E 1/7/04 6:07 PM Page 19
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