16 tina14e1-a (2017-12) PEG100.om
How to proceed:
1) Place the magnet assembly on the sensor.
2) Push the electronics assembly over the magnet assembly and the sensor, and
turn slightly as required until the correct orientation between electronics
assembly and sensor has been found. When the electronics assembly has
been placed as required, the black magnet housing is fully surrounded by the
housing of the PEG100.
3) Retighten the cross head screws at the rear of the gauge.
6 Troubleshooting
Problem Possible cause Correction
No LED is on. Supply voltage is missing.
The "POWER" LED (6/1)
is on, the "READY" LED
(6/2) is not on.
High tension has not been ac-
tivated. Pressure has dropped
below < 3×10-
9
mbar.
The gas discharge has not
ignited.
Sensing cell not properly con-
nected to the electronics as-
sembly (e.g. after mainte-
nance).
Missing anode ring (e.g. after
maintenance).
The measurement signal
is always greater than
10 V even if the pressure
is much lower than
10
-2
mbar.
Short circuit in the sensing
cell.
Clean the sensing
cell. For this refer to
section 5.2.
During pumpdown the
measurement signal re-
mains at some level al-
though the pressure is
dropping.
Contamination within the sen-
sing cell.
Replace the sen-
sing cell.
5.2.5 Assembly of the
Electronics Assembly
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