Chapter 8 Operation 40058725 BTA Alpha HSM
Version: 12.19.17 Page 70 of 112 GB
Indicator lamps control unit
Fig. 8-5: Indicator light
In addition to the symbols shown here, there are three light emitting
diodes on the control units, which light up in different colours de-
pending on the operating state.
The meaning of the different colour messages is explained in the
table below.
Control unit drive module
Unwinder (WAC05) and Rewinder (WAC06)
Rotor position detection active
Unwinder/rewinder during operation
Reference movement dancer arm
active
Bus connection to NGDSP OK