PN 903-8797, Rev A
Primary
Code
Error
Code
Alarm
Type
Condition / Description / Suggested Corrective Action
16
5
Warning
w Cross Talk
[Excessive-Mirror-Cross-Talk]
The water content within the Measuring Cell has exceeded the full-scale range of the
analyzer, which is 1000 mg/m
3
(62.43 lb/MMcf).
Corrective Action:
• Check the current
internal
Water Content readings by changing the Water Measure-
ment Option (
MonitorCFG
menu) to "
H2O DP:INT
(with water content settings adjust-
ed accordingly) and then viewing the
WCt
value from the
RUN
menu. If the internal
Water Content is very high, this Problem may reduce the
HCDP
temperature accuracy.
32
6
Warning
w High DP
[Hydrocarbon-Dewpoint-Temperature-Too-High]
The Hydrocarbon Dewpoint temperature is within 5 °C (9 °F) of the measuring cycle start
temperature.
Corrective Action:
• Review the current
XSCode
(
Stat\History
menu) to check for “
w Hold TimeOut
” and
“
w Warm TimeOut
” alarms. If they are absent, increase the mirror upper setpoint tem-
perature value (
ApplicCFG : MTHi
) to
15 °C (27 °F)
above the dewpoint.
• Check the
MTHi
setting (
ApplicCFG menu
) and the surrounding ambient tempera-
ture. If the
MTHi
setting is higher than the surrounding ambient temperature, change
it to a value lower than the ambient temperature.
• Ensure that the enclosure/shelter housing the analyzer is adequately heated. The
surrounding ambient temperature should be at least
15 °C (27 °F)
above the highest
expected
HCDP
temperature.
• Check the current
HCDP
temperature Off-Spec Alarm, if enabled (
ApplicCFG
menu).
Determine if the pressure of the process stream is higher than usual, or if there has
been a significant change in the composition of the gas stream. If the Measuring Cell
purge flow rate is >2 L/minute (4 SCFH), decrease the sample gas flow rate.
• This condition can be a symptom of Measuring Cell contamination. If all other sug-
gested corrective action fails to resolve the problem, clean the Measuring Cell. See
“Measuring Cell Maintenance” in this chapter.
64
7
Fault
f High Temp
[Mirror-RTD-Temperature-Is-Too-High]
128
8
Fault
f Low Temp
[Mirror RTD-Temperature is-Too-Low]
These alarms indicate problems with the RTD (inside the Cooler Housing).
Corrective Action:
• The RTD may have failed and may need to be replaced.
If necessary, contact AMETEK Service for assistance.
Maintenance and Troubleshooting | 4-53
