Electrolux W4400H Service Manual page 48

48
INTERLOCK STATUS
The motor controller does not receiving an
interlock signal during programme operation.
If the power is on, be very careful when
working on the machine.
Switch off the machine for at least 0 seconds
to ensure the motor controller has been comple-
tely reset. Then try to start the machine again. If
the error returns, troubleshoot as follows:
1. Measure the interlock signal on the motor controller
27
XA2:16 interlock (+24V) and XA2:22 GND.
No signal
2. Measure the signal on the I/O card 1 interlock bus
28
A11:X10.
No signal
Troubleshoot the interlock circuits.
Troubleshooting
Signal OK
Troubleshoot the motor
controller.
Signal OK
Troubleshoot the cabling
between the motor
controller and programme
unit. Inspect the cabling
and replace if necessary.
27
XA2:16 XA2:22
28
5950
M2
X10
97