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RUN Mode
Stat\HistorySCode (or
XSCode)
• Determining if the air filters for the shelter purge and air conditioning
systems (if used) require replacing.
• Determining if the Sample and Vent Lines are plugged, damaged, or
sagging.
Many of these tasks can be performed at the same time, according to
their recommended frequency, as indicated in the Preventive Mainte-
NOTE
nance Schedule.
!
Before performing maintenance on the analyzer, bleed down the pres-
sure in the sample system by closing the isolation valve on the Sample
WARNING
Probe or at the Sample Inlet valve. Then, open the Bypass Valve, if
not already done, and allow the gas pressure in the sample system and
Measuring Cell to depressurize for approximately 5 minutes.
This procedure is necessary prior to changing out any components
or replaceable parts, as part of regular preventive or general mainte-
nance.
If the analyzer is repeatedly generating alarms that may indicate a faulty
Peltier Cooler or RTD, AMETEK suggests returning the assembly to the
factory for repair.
Alarm messages that may indicate the Thermoelectric Cooler or RTD
show signs of being unable to cool down or warm up the mirror include:
• w Check XSCode (SCode) – Peltier Cooler
• f No HC DP (SCode) – Peltier Cooler
• f Cool Cct (SCode) – Peltier Cooler and/or RTD
• f High Temp (XSCode) – RTD
• f Low Temp (XSCode) – RTD
If these or other problems are encountered, contact your local
AMETEK Distributor or Representative for information on what to
NOTE
do with the equipment.
Maintenance and Troubleshooting
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Table of Contents
Troubleshooting
