Thyracont VSH88D, Operating Instructions Manual

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4.3 Operating the VSH
The VSH is equipped with a status LED which signalizes the following operation-
al states:
Normal Operation
Initializing Input
/ Hot Cathode on
Normal Operation / Hot Cathode off
(green LED continuously on)
(green LED flashing slowly)
(green LED flashing quickly)
Error
Degas on
(red LED continuously on)
(red LED flashing slowly)
(red LED flashing quickly)
Initializing Degas
Warning: Hot Cathode Filament 1 defective
Ready for Adjustment
(orange LED continuously on)
(orange LED flashing slowly)
(orange LED flashing quickly) Initializing Adjustment
In addition models VSH88DL and VSH89DL have an LCD with yellow backlight,
that displays the measured actual pressure.
In case of an operation error or malfunction the display is illuminated by a red
background color.