Troubleshooting Chapter Five: Maintenance and Troubleshooting
26
Troubleshooting
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 P
x
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 Operating
Environmental Requirements,
page 6, and be sure the
ambient temperature is within
product requirements.
Table 8: Troubleshooting Chart
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