Emerson Process Management GmbH & Co. OHG
8-16
X-STREAM XE
Instruction Manual
HASXEE-IM-HS
10/2012
8.3 Solving Problems Not Indicated by Status Messages
Situation
Description
Recommended Actions
Fluctuating or Invalid
Readout (continued)
Analog preamplifier of af
-
fected channel defective
Check measuring point
(
page 8-19)
Gas path(s) polluted
•
Check analysis cells and
windows for pollution
•
Clean polluted parts (see
service manual)
•
Check gas paths for pollution
and clean gas paths if need
be
Wrong pressure value used
for compensation
• Set ambient pressure to pro
-
per value (
•
Sensor failure (
status
message "PressSensor“,
page 8-10)
Condensation inside gas path
•
Check temperature of gas
path(s)
•
Remove all sources of con-
densation
•
Keep all temperatures at
least 10 °C above dew point
Readout Damping Time
Too Long
Wrong signal damping settings
Check signal damping
(
Pump rate too low
• Distance between sampling
point and analyzer too long
• Replace pump by external
model with higher pump rate
(operate in bypass mode,
Gas path(s) polluted
•
Check gas path and sample
handling system for pollution
•
Clean gas path
Summary of Contents for Rosemount X-Stream Series
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