VEGA VEGATOR 632 - Manual (Page 51)

l Signal conditioning instrument defective
à Exchange VEGATOR 632
l Probe mechanically damaged
à Exchange probe
l Conductivity of the product too low
à Check if the conductivity value of your product is at least
7.5 µS/cm
l Welded contacts - for example after a shortcircuit
à Exchange VEGATOR 632. If necessary, integrate a fuse into
the contact circuit
? Wrong switching function of the signal conditioning instrument.
l Wrong setting of the change over switch for the level signal
à Set the change over switch for the level signal correctly. See
chapter "Adjustment".
12 .3 Function test
For simulation of a fault signal you can remove the upper plug
connection from VEGATOR 632.
b
a
Fig. 139: Function test
The instruments signals a failure and the switching relays take on
deenergized (safe) condition.
Simulation of a fault sig-
nal
VEGATOR 632 • Signal conditioning instrument 51
12 Maintenance and fault rectification
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