18 Troubleshooting
Remedies/ExplanationsPossible reasons whyFault
Change the setting of the control switchControl switch is set to OFFThe door does not open
The motor does not start
Check the mains power and fuse in the buildingMains power is missing
Strap impulse inputsActivation unit does not function
Check that there are no objects in the detec-
tion zone
Presence detection is activated
Unlock the lockMechanical lock is lockedThe motor starts but the
door does not open
Remove objectSomething jammed beneath the door
Select lock releaseElectric striking plate is binding
Adjust striking
Tighten the arm system by installation stepsArm system has come loose
Change the setting of the control switchControl switch is set to OPENThe door does not close
Remove objects in the detection zonePresence impulse is activated
Remove objectSomething jammed beneath the door
Check jumper for symmetric cam on main
board
Wrong setting of cam jumperThe door is creeping to-
wards open during power
assist
1007913-en-20.0Issue 2021-02-0490
18 Troubleshooting
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