80BTroubleshooting 8BChapter Five: Maintenance and Troubleshooting
84
Troubleshooting
Table 50: Troubleshooting Chart
Symptom Possible Cause Solution
Overrange positive
or negative signal.
A shorted transducer or a
damaged interconnect cable
(transducer to electronics
module).
Measure supply voltages at the
connector.
Inspect cable and transducer.
Replace, if necessary.
Measurement
slowly goes
positive over time.
Overpressure and/or a build-up
of contamination in the
measurement cavity.
Return to MKS for servicing or
transducer replacement.
Unstable zero
output.
The ambient temperature may be
too high.
or
The ambient temperature is
varying over a wide range.
Refer to Startup, page 29 to ensure
the am
bient temperature is within
product requirements. (Refer also to
Appendix A: Product Specifications,
page 85).
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