5 troubleshooting the crystalsix sensor – INFICON CrystalSix Sensor User Manual
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CrystalSix Operating Manual
4.5 Troubleshooting the CrystalSix Sensor
Table 4-1 Troubleshooting
Symptom
Cause
Remedy
1. Crystal fail signal on
front panel of unit will not
disappear even though
crystal can be seen
through heat shield
aperture.
1a. Damaged Crystal.
1a. Replace crystal.
1b. Loss of electrical
signal.
1b. Check for electrical
continuity between
feedthrough and leaf
springs that make contact
with the crystal holder in
the sensor.* If electrical
problem originates in the
sensor, consult
for disassembly
instructions, if necessary.
* Make certain the leaf
springs in the carousel
assembly are bent up far
enough to contact the
crystal holder when
installed.
2. Unit will not advance
when crystal switch key is
pressed.
2a. Loss of pneumatic
supply, or pressure is
insufficient for proper
operation.
2a. Establish air supply
and regulate to 80-90
PSIG for operation.
2b. Operation has been
impaired as a result of
peeling of the material
accumulated on the face
of the cover.
2b. Consult
for
disassembly instructions
to remove material or to
correct mechanical failure.
3. Crystal not centered in
aperture.
3a. Improper alignment.
3a. Realign per alignment
instructions in
3b. 0.0225” diameter
orifice not installed inline
to the supply side of the
solenoid valve assembly.
3b. Install orifice where
shown on
.