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PN 074-550-P1D
SQC-310 Operating Manual
Chapter 6
Troubleshooting and Maintenance
6.1 Troubleshooting Guide
If SQC-310 does not function as expected, or appears to have diminished
performance, the following Symptom/Cause/Remedy chart may be helpful (see
Table 6-1). Additional troubleshooting information can be found in the operating
manuals for sensors, located on the Thin Film Instrument and Sensor Manuals CD.
If the problem cannot be resolved, contact INFICON (refer to section 1.3 on page
1-5).
The SQC-310 has no user-serviceable components.
Refer all maintenance to qualified INFICON personnel.
Table 6-1 Symptom/Cause/Remedy Chart
SYMPTOM CAUSE REMEDY
SQC-310 does not turn on. Line cord is not plugged into
SQC-310 or rear panel
power switch is not on.
Connect line cord.
Set the rear panel power
switch to position 1 (ON).
Incorrect line voltage. Line voltage must be within
SQC-310 line voltage
specification (refer to section
1.4.5 on page 1-7).
Fuse open. Remove the fuse drawer
from the power inlet and
examine both fuses, or use
an ohmmeter to check the
fuses. Replace open fuses
with the specified fuse (see
section 6.5 on page 6-16).
SQC-310 is malfunctioning. Contact INFICON service
department (refer to section
1.3 on page 1-5).
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