Agilent Technologies Turbo-V 2K-G Notice De Mode D'emploi page 294

16 Instructions for Use
Use
The system is provided with a green status led signal.
The green LED located on the Turbo-V 2K-G base front panel
indicates with its flashing frequency the system operating conditions:
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294/360
with no flashing: the pump is normally rotating;
slowly flashing (period of about 400 ms): the system is in ramp,
or in braking, or in Stop, or in "Waiting for interlock" status;
fast flashing (period of about 200 ms): error condition.
Turbo-V 2K-G Pumping System User Manual / 87-900-968-01 (H)