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

VBA-4E4A-G20-ZEJ/M3L-P9

Troubleshooting

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