Faults
Display: "F" and code
Status
code
Fault description Measures for fault correction
RAM error.
Switch control off and on.
Replace control if necessary.
Internal control error.
Switch control off and on.
Replace control if necessary.
Fault with digital limit switch (DES).
Check connector and connection cable.
Switch control off and on.
Fault with door movement.
Check the door mechanism for stiffness.
Check the limit switches for correct rotational
movement.
Switch control off and on.
Fault with rotating direction. Change rotating direction via menu "0.2".
Non-permitted door movement in stopped
condition.
Release of failure through command.
Check brake and drive unit.
Drive unit does not follow specified travel
direction.
Release of failure through command.
Check for overload of the drive.
DU / FI closing speed is too high.
Switch control off and on.
Replace drive unit if necessary.
Internal FI communication failure.
Switch control off and on.
Replace FI-drive unit if necessary.
Low voltage in the DC voltage link.
Release of failure through command.
Check mains input voltage.
Change slope times/speeds.
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