INFICON Crystal 12 Sensor - Manual (Page 52)

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Crystal12 Sensor Operating Manual
4.4 Cygnus Status and Error Messages
CAROUSEL CHANGE-OUT
The crystal carousel assembly has been removed from a Crystal12 sensor.
SWITCH IN PROGRESS
The manual state can not be exited while a crystal switch is in progress.
XTAL SWITCH ERROR
This message indicates a CrystalSix or Crystal12 sensor switcher failure. The
instrument did not detect the proper position after having attempted to rotate
the sensor head.
XTAL SWITCHING
Indicates a crystal switch is in progress.
4.5 Troubleshooting the Crystal12 Sensor
Table 4-1 Troubleshooting
Symptom Cause Remedy
Crystal fail signal on front
panel of unit will not
disappear even though
crystal can be seen
through deposition shield
aperture. Damaged Crystal. Replace crystal.
Loss of electrical signal. Check for electrical
continuity between
feedthrough and torsion
spring of the electrical
connection assembly.
Check for electrical
continuity between
contact post and leaf
spring of individual crystal
positions.
Unit will not advance when
crystal switch key is
pressed. Xtal Switch Error
message displayed Loss of pneumatic supply,
or pressure is insufficient
for proper operation. Establish air supply and
regulate to 80-90 PSIG
(5.5 bar - 6.2 bar) [550 kPa
- 620 kPa] for operation.
Operation has been
impaired as a result of
peeling of the material
accumulated on the face
of the aperture plate. Remove accumulated
material.
Absence of orifice in
airline. Check for orifice, see
Chapter 3 .
Grounding leaf springs
which contact carousel
may be damaged. Replace grounding leaf
spring.