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Troubleshooting
6580
2
Alt. 1
6578
6856
Alt. 2
2
Only for WB4130H, WB4180H
Service mode is activated by using one of the
following alternative:
Alt. 1 Service switch on the I/O board at the
rear of the machine to the right of the
electrical connection.
Alt. 2 Service switch on CPU card under left
hand side of the top cover.
Press the service button about 2 sec.