Scart
Replace key ass'y.
Does drive motor have voltage?
Replace connection cord.
Replace motor.
END
Is"open"showed on the screen?
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No
C Open/close abnormal
Is there voltage difference in XS4
UNLOAD pin and LOAD pin?
Check if RMC pin of XS
15
have waveform.
Does XS
14
power have voltage?