Emerson Rosemount 700XA Reference Manual page 74

July 2020
Troubleshooting and repair
The most efficient method for maintaining and repairing the Rosemount 700XA is a component-replacement concept that allows
you to return the system to operation as quickly as possible.
Use troubleshooting test procedures to identify sources of trouble, such as printed-circuit assemblies, valves, etc., and replace
them with parts in known good working order.
Routine maintenance
The Rosemount 700XA will perform accurately for long periods with very little attention (except for maintaining the carrier gas
cylinders).
It helps to keep a bi-monthly record of certain parameters to assure that the gas chromatograph (GC) is operating to specifications.
Fill out the maintenance checklist should be filled out bi-monthly, date it, and keep it on file for access by maintenance technicians
as necessary. This gives a historical record of the operation of the Rosemount 700XA, enables a maintenance technician to
schedule replacement of gas cylinders at a convenient time, and allows quick troubleshooting and repair when necessary.
Also, create a diagnostic file, which contains calibration and analysis chromatograms, alarm and event logs, analysis reports, and
the complete configuration file, and file it with the checklist, furnishing a positive dated record of the Rosemount 700XA. You can
compare these chromatograms and reports to the chromatograms and reports run during the troubleshooting process.
Before contacting Customer Care, connect to your GC and save the diagnostics data file. From MON2020 → Tools → Save
Diagnostic Data, save the diagnostic data file.
MON2020 prompts you to send an email to Customer Care (at gc.csc@emerson.com) with the diagnostic data file.
Maintenance checklist
Print the sample maintenance checklist in Figure 44 for your records.
If you have a problem, please complete the checklist first and have the results available, as well as the sales order number, when
calling your Emerson Customer Care representative for technical assistance. The sales order number is on the nameplate located on
the front of the Rosemount 700XA. Emerson files the chromatograms and reports archived when your gas chromatograph (GC) left
the factory by this number.
Note
To find the default measurements for the parameters on the checklist, use MON2020 to view the GC's parameter list.
74 Emerson.com/Rosemount