INFICON XTM/2 Thin Film Deposition Monitor - Manual (Page 108)

6 - 6
IP
N 07
4-
18
6S
XTM/2 Operating Manual
9. crystal fail always on a. XIU/oscillator not
connected verify proper
sensor/oscillator
connections
b. XIU/oscillator
malfunctioning b. if available, insert a
known working
XIU/oscillator in place of the
suspect one; if
XIU/oscillator is confirmed
bad, contact INFICON
service department
c. defective cable from
feedthrough to
XIU/oscillator or from
instrument to XIU/oscillator c. use an ohm meter or
DVM to check electrical
continuity or isolation as
appropriate
d. poor electrical contact in
the transducer,
feedthroughs, or in-vacuum
cable d. use an ohm meter or
DVM to check electrical
continuity or isolation as
appropriate
e. failed crystal/no crystal e. replace crystal/insert
crystal
f. two crystals placed in the
same crystal holder f. remove one of the crystals
Table 6-1 Troubleshooting the Instrument (continued)
SYMPTOM CAUSE REMEDY