Pepperl+Fuchs VBA-4E4A-G20-ZEJ/M3L-P9, Manual

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VBA-4E4A-G20-ZEJ/M3L-P9
Troubleshooting
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6 Troubleshooting
Fault information and remedy
Error
LED status indi-
cator
Possible cause Remedy
No data commu-
nication with AS-
Interface master PWR off AS-Interface voltage is missing or is
inverted Check AS-Interface wiring
PWR flashes and
FAULT on Module address is 0 Program module address
PWR on and
FAULT on AS-Interface master is not switched
on (offline) or
There is duplicate addressing Switch on the AS-Interface master
or
Check the addresses of all modules
on the AS-Interface segment
Motors do not
start AUX off AUX external power supply is miss-
ing Check AUX voltage and AUX flat
cable
AUX red on AUX external power supply is
inverted Correct the polarity of the AUX flat
cable in the cable guide
AUX green on
and
FUSE1 (motor 1)
and/or FUSE2
(motor 2) off Motor fuse is faulty due to overload
of the motor supply Replace the motor control module
(cannot be repaired) and remove
the cause of the overload before
starting the motor again
PWR and FAULT
flash alternately Peripheral fault "Overload speed
signal SPEED":
Motor, motor cable, or motor control
module is faulty Replace motor or motor control
module
Sensors or
inputs IN1 ... IN2
not working PWR and FAULT
flash alternately Periphery fault: overload on sensor
supply Check the sensors and eliminate
the overload
Table 6.1