DITEC DAB305 Installation And Service Manual page 85

18 Troubleshooting
Fault
The door does not open
The motor does not start
The motor starts but the
door does not open
The door does not close
The door is creeping to-
wards open during power
assist
1020527-DIen-3.0
Possible reasons why
Control switch is set to OFF
Mains power is missing
Activation unit does not function
Presence detection is activated
Mechanical lock is locked
Something jammed beneath the door
Electric striking plate is binding
Arm system has come loose
Control switch is set to OPEN
Presence impulse is activated
Something jammed beneath the door
Wrong setting of cam jumper
Issue 2021-06-07
Remedies/Explanations
Change the setting of the control switch
Check the mains power and fuse in the building
Strap impulse inputs
Check that there are no objects in the detec-
tion zone
Unlock the lock
Remove object
Select lock release
Adjust striking
Tighten the arm system by installation steps
Change the setting of the control switch
Remove objects in the detection zone
Remove object
Check jumper for symmetric cam on main
board
18 Troubleshooting
85