Table of Contents
Advertisement
4. When the UP/DOWN Louver Motor Does Not Operat
4. When the UP/DOWN Louver Motor Does Not Operat
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.
NO
YES
YES
NO
NO
YES
NO
Driver IC06 (ULN2003A) is abnormal.
YES
e
-
Initial Diagnosis
e
-
Initial Diagnosis
Check as the procedure "No
Power". Refer to page 14
Normal
Micom (IC04) is abnormal.
19
Hide quick links:
Advertisement
Table of Contents
