INFICON Crystal 12 Sensor - Manual (Page 55)

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P1A
Crystal12 Sensor Operating Manual
While in Ready or Stop,
initiating a Crystal Switch
function causes unit to
index more than once. Resistor is open at
bypassed position(s). Repair resistor at
bypassed position of
750-652-G1 (item 15 of
Figure 1-5 on page 1-8 ).
Or, contact INFICON.
Unit indexes twelve times
and displays Xtal Switch
Error, Xtal Fail, and
Carousel Change-Out
message. Loss of electrical signal Check for electrical
continuity and isolation.
Resistor #1 is open /
shorted.
No carousel installed Install carousel
Torsion spring of electrical
connection assembly
broken. Replace electrical
connection assembly.
Refer to
section 4.3.4 on
page 4-7
Table 4-1 Troubleshooting (continued)
Symptom Cause Remedy