Interroll MultiControl - PLC references for Sensors; 5.7 Semi-automatic programs; 5.8 HPD Semi-Automatic; Timer

Troubleshooting
Version 3.0 (08/2018)
48 Translation of original instruction manual
8 Troubleshooting
8.1 Meaning of the LED
LED on the MultiControl inform about the operating status of the conveyor.
Status description of the LED:
• Off: LED is permanently off
• On: LED is permanently on
• Flashing 1 Hz: LED flashes at a frequency of 1 Hz; Duty cycle 1:1
• Flashing 2 Hz: LED flashes at a frequency of 2 Hz; Duty cycle 1:1
• - : LED state is variable
General LED
Power
Ready
Net
Run
Fault
Meaning
Priority
On
On
On
On
Ready, no error
-
On
Flashes
1 Hz
Off
Bus start-up mode: After
starting, the PLC waits 30
seconds for connection
establishment.
-
-
-
Flashes
1 x
Error in the application
program, e.g. timeout
1
-
-
-
Flashes
2 x
Communication fault: Start up
connection not within 30
seconds or connection to the
PLC lost. Error acknowledges
automatically.
3
-
-
-
Flashes
3 x
RollerDrive error: Faulty
RollerDrive is indicated by
flashing the corresponding "RD"
LED
2
Off
On
-
Flashes
4 x
Power supply for motors is
missing.
5
-
-
-
Flashes
5 x
Voltage error undervoltage
4