12. Troubleshooting
12
42
438 9152-11/03
04.03
Service
Manual
NO INTERLOCK
The motor controller received the rotation
command from the programme unit but
receives no interlock ACK (”Door locked”
signal).
If the power is on, be very careful when
working on the the machine.
Switch off the machine for at least 30 seconds to
ensure the motor controller has been completely
reset. Then try to start the machine again. If the
error returns, troubleshoot as follows:
1. Measure the interlock signal on the motor controller
U1:X302.
No signal Signal OK
Troubleshoot the motor
controller.
2. Measure the signal on the I/O card 1 interlock bus
A11:X10.
No signal Signal OK
Troubleshoot the cabling
between the motor
controller and
programme unit.
Inspect the cabling and
replace if necessary.
Troubleshoot the interlock circuits.
36
35
5181
X302
Fig.
36
Fig.
35
3973
X10
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