51
Faults
Display: "F" and digit
Code Fault description Fault causes and fault correction
RAM error.
Switch control off and on.
Replace control if necessary.
Internal fault of control.
Switch control off and on.
Replace control if necessary.
Fault of digital limit switch (DES).
Check DES connector and connection cable.
Switch control off and on.
Fault with door movement.
Check the door mechanism for stiffness.
Check limt switch turn.
Switch control off and on.
Fault with rotating direction. Change rotating direction via menu item “0.2”.
Unacceptable door movement in stopped state.
Execute fault clearance trough movement
command. Check brake and drive unit.
No compliance with open direction at drive unit.
Execute fault clearance trough movement
command. Check for overload of the drive.
DI / FI closing speed is too high.
Switch control off and on.
Replace drive unit if necessary.
Internal FI communication fault.
Switch control off and on.
Replace FI-drive unit if necessary.
Low voltage in the DC voltage sink.
Execute fault clearance trough movement
command. Check mains input voltage.
Change slope times/speed.
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