0548-991-41---50e_2019.10.indd
ETS 73
0548-991/42e
Page 22 of 26
Operator manual
6.2
Irregular functioning without error no.
Malfunction
Analysis
Possible cause
Elimination
Drive mechanism does
not function
Program selector
On position MANUAL
Select AUTOMATIC
Main switch
Switched OFF
Switch ON
Customer-supplied fuse
Defective
Replace
Drive unit is heated up
Temperature monitor has
been triggered
Wait 5...10 minutes
Drive mechanism does
not open
Main switch
Opening element defective
Contact the after-sales service
Door wing cannot be opened
by hand
Electric lock does not release
Check/Contact the after-sales
service
Presence of an obstacle
Safety element has been
triggered
Remove the obstacle
Emergency stopp button
Emergency stopp button is
active
Release the emergency stopp
button
Drive mechanism does
not close
Main switch
Opening element is active
Check/Contact the after-sales
service
Presence of an obstacle
Safety element has been
triggered
Remove the obstacle
Wing moves jerkily
Main switch
–
Contact the after-sales service
