0546-999-33---36c_2010.04.indd
F4
0546-999/34c
Page 12 of 16
Operator manual
6 TROUBLESHOOTING
Malfunction
Drive mechanism
does not function
Drive mechanism
does not open
Drive mechanism
does not close
Wing moves jerkily
Visual checking
Program switch
Customer-supplied mains
switch
Customer-supplied fuse
Drive unit is heated up
Mains switch
Door wing cannot be ope-
ned by hand
Presence of an obstacle
Emergency disconnector
button
Mains switch
Presence of an obstacle
Mains switch
Cause/Reason
On position 0 (MANUAL)
Switched OFF
Defective
Temperature monitor has
been triggered
Opening element defective
Electric lock (door opener)
does not release
Safety element has been
triggered
Emergency disconnector
button is active
Opening element is active
Safety element has been
triggered
Insufficient chain tension
Corrective/Measures
Flip to position 1
Switch ON
Replace
Wait 5...10 minutes
Contact the after-sales
service
Check/Contact the after-
sales service
Remove the obstacle
Release the Emergency
disconnector button
Check/Contact the after-
sales service
Remove the obstacle
Contact the after-sales
service