47
MGC control unit
Corrective action
6.2
Malfunctions turnstile
Malfunction: Display is difficult or impossible to read.
Possible cause
Corrective action
Removal by
Display contact set too light or
dark.
Correct display contact.
ä
Technician
Malfunction: Centre pillar does not rotate.
Possible cause
Corrective action
Removal by
Power supply is not connected
›
Switch on power supply.
›
Check power supply.
Electrician or technician
Error present. The
corresponding error message is
displayed.
Depending on error message,
check components, wiring, etc.
Electrician or technician
Power supply is present.
Control unit display does not
light up.
Control unit defective. Replace
the control unit.
Electrician or technician
Locking signal present.
Remove locking signal.
Electrician or technician
6.3
Event, warning and error messages in the display
The control unit differentiates between events, warnings and errors. The
corresponding message is displayed.
Event messages "INFO"
Event messages inform about events. The pedestrian gate continues to operate
normally. Event messages do not influence the outputs of the control unit.
Warning messages "WARNING"
Faults that could be reset by the control unit are displayed as warnings.
Operation of the pedestrian gate is not or only briefly impaired.
If the function "Warning" has been chosen for an output, this output is
deactivated at pending warnings (fail safe).