FST 75/150
260-2210-002 EN064
Page 26 / 37
Troubleshooting
When the unit is running as normal, the current status of the control unit will be displayed. The display of
errors and commands occurs as a series of letters and numbers which are displayed alternately.
•
Upon activating a command, flashing lower or upper segments will be displayed on the control unit to
indicate the direction of movement currently in operation. Once the position has been reached, the
segments will switch from a flashing to a permanent display.
•
The activation of a command is indicated by means of an
E
followed by a code.
•
An error is indicated by means of an
F
followed by a code.
Display Description
Remedy
F 1.2
Slip door contact opened
Check whether the slip door is closed or whether a line has been
disconnected in the cabling.
F 1.3
Safety circuit DES
Check whether the slack rope contact is closed or whether a line has been
disconnected in the cabling.
F 1.4
Emergency Off contact activated
Check whether the emergency Off control unit is activated or whether a line
has been disconnected in the connecting lead.
F 1.5
Interlock configuration
One of the controls is not correctly configured. Please check the menue
valves.
F 1.7
Slip door switch defective
The slip door switch with monitoring device registers a defect. Check the
switch and the line.
F 1.8
Inlet for slip door switch
Power supply for slip door switch has fallen short. Check power supply.
F 2.0
“Close” safety edge not recognised
Check that the safety edge is properly connected or whether the wrong
operating mode has been set
F 2.1
Photo cell activated
Check whether the photo cell has been properly aligned or whether a line
has been disconnected in the connecting lead.
F 2.2
The “close” safety edge is activated
twice in a row during closing
Check whether any obstacles are in the vicinity of the door or whether a line
has been disconnected in the connecting lead or the connecting lead has
short circuited. Perform the closing operation until the end position “close” is
reached
F 2.4
Close safety edge 8k2 activated
Check the activation of the safety edge. The connecting lead may have short
circuited.
F 2.5
Close safety edge 8k2 defective
Check the safety edge and connecting lead for possible interruption.
F 2.6
Pneumatic safety edge 1k2 activated
Check the activation of the pneumatic safety edge. The connecting lead may
have been interrupted.
F 2.7
Pneumatic safety edge 1k2 defective
Check the pneumatic safety edge and whether the connecting lead may
have short circuited.
F 2.8
Pneumatic safety edge 1k2 testing
negative
Check function. The activation must occur in the lower final position
(confirmation).
F 2.9
Optical close safety edge activated or
defective
Check the activation of the closing edge or whether the connecting lead has
been interrupted.
F 3.1
Upper emergency limit switch range
activated
With the unit idle (dead voltage), back up the unit using the emergency
manual handle or reset the upper final position.
F 3.2
Lower emergency limit switch range
activated
With the unit idle (dead voltage), back up the unit using the emergency
manual handle or reset the lower final position.
F 3.3
Limiting switches
Both limiting switches (open and close) are active.
F 4.2
Feedback
The motor feeds energy back into the FC which cannot be dissipated. Install
brake resistance or reduce speed.
F 4.3
Current overload
Operating frequency is set too high. Motor is incorrectly sized. Door moves
sluggishly.
F 4.4
Temperature problem
Clock frequency too high or the ambient temperature too high. Increase
additional cooling or break times.
F 4.5
Communication error
Check the cable connection between the WST 18 and the FC board
