Operation Manual
67Maintenance
6.7 Resetting the maintenance counter
After completing the "Small maintenance" or the "Extended maintenance", the corresponding mainte-
nance indication or maintenance counter (for module A or module B or for both), respectively must be
reset. Proceed as follows to reset the maintenance counter:
1. Select in the "Service" submenu the corresponding reset function.
Password: 8808
2. The reset dialogue appears:
• Press the <Yes> button to reset the corresponding maintenance counter. The maintenance
counter and the maintenance indication are reset.
• Press the <No> button if the maintenance work has not been completed and you want abort the
reset procedure. The control unit returns to the "Service" submenu..










