Fayat BOMAG BT 60 Operating And Maintenance Instructions Manual page 25

Display and control elements
Fig. 10
Service indicator (SVC):
26
This service indicator appears when maintenance is due
(after 25 operating hours, then every 100 operating hours).
Before maintenance is due, the indicator flashes over a
period of 2 operating hours "SVC DUE in ..." together with
the duration (in hours) until service is required.
If maintenance is already required, the indicator flashes for
another 2 hours "SVC DUE NOW".
The service indicator cannot be reset.
BT 60 / BT 65