Troubleshooting
164 Service Instructions 869-M PREMIUM - 00.0 - 07/2018
23.4 Error in the software
In rare cases, it may happen that no more menus can be called up after
an error message. Even restarting the machine does not eliminate this
problem.
In this case, it is possible to access the Technician level immediately
during machine startup. It is then possible to carry out an error diagnosis
using Multitest or to reset the machine to the factory settings in the
Reset menu.
To access the Technician level during startup:
1. Switch off the machine at the main switch.
2. Hold button F pressed and at the same time switch on the machine at
the main switch.
The machine starts and the display shows the input screen for the
password.
3. Use the numeric buttons to enter the password (25483).
You are on the Technician level:
Only the two menus Multitest ( p. 124) and Reset ( p. 131)
are available with this access.
23.5 Testing the function of the buttons
If it is suspected that the buttons on the control panel are not functioning
correctly, this function can be tested.
To test the functionality of the buttons on the control panel:
1. Switch off the machine at the main switch.
7270 Information External CAN • Check connection cables
• Performing a software
update
• Replace CAN slaves
9330 Information Material thickness sensor not
connected
• Check connection cables
• Performing a software
update
• Replace material thickness
sensor
9340 Error Bobbin Monit not connected • Check connection cables
• Performing a software
update
• Replace Bobbin Monit
9922 Error Service Stop • Check connection cables
• Performing a software
update
• Replace control
Code Type Meaning Remedial action
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