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10 Fault correction
i
information on faults and how to rectify them in our fault guide for door controls.
Download the fault guide from the GfA-Portal.
Start the fault guide using the GfA+ app.
Fault indications
Door control is off / display is dark
Possible causes Fault correction
Display is
dark /
door
control is
without
function
Measure the input voltage.
Overload
Check whether too many electrical loads are connected to the
control circuit (24 V).
Short circuit
Check whether a faulty device is connected to the control
circuit (24 V).
Water damage Check if water has entered the control box.
A different defect
Disconnect all lines (delivery status).
Replace the door control if the display stays dark.
Fault in the safety circuit
Cause of the fault Fault correction
Display alternates between F and number
1.2
Slack-rope switch /
pass-door contact is open.
Check the connecting cables for breaks.
Check whether the spiral cable or WSD door module is
connected correctly.
Slack-rope switch: check if the ropes are taut.
Check the DIP switch position in the door leaf box.
1.3
Safety circuit is open.
Emergency manual operation is
activated.
Thermal protection of the motor has
tripped.
The restart protection has tripped.
Check the door drive unit for overload or stalling
WARNING! Danger of the door dropping!
Do not release stalling when using a door drive unit with a
safety brake! Stalling may indicate a catch incident. Replace
the door drive unit.
Allow the door drive unit to cool.
Check manual emergency operation.
Check plugs and terminals for firm seating.
Doors with separate safety brake: