5
– Troubleshooting Guide
Thermo Scientific
Product Manual for the ERS 500 Suppressor
Page 60 of 84
031956-11
For Research Use Only. Not for Use in Diagnostic Procedures.
5.
Troubleshooting Guide
The purpose of the Troubleshooting Guide is to help you solve operating problems that may
arise while using the Dionex ERS 500, Dionex ERS 500e or Dionex AERS 500 Carbonate. For
more information on problems that originate with the Ion Chromatograph System or the specific
exchange column set in use, refer to the Troubleshooting Guide in the appropriate Product
Manual. If you cannot solve the problem on your own, contact the Thermo Fisher Scientific
Regional Office nearest you.
Do not allow eluent to flow through the Dionex
ERS 500, Dionex ERS 500e
or Dionex
AERS 500 Carbonate without the power turned on for more than a few minutes. Doing so
will cause noticeable reduction of analyte peak areas. If this should occur, perform the
procedure outlined in
, “Small or increasing Analyte Peak Areas.”
5.1
Electrolytically Regenerated Suppressor Operational Status Displays Alarm State
ERS or SRS Alarm:
Alarm state indicates that there is high resistance or an open circuit in the suppressor device
typically in the regenerant channel or there is an issue with connectivity of the suppressor to a
power supply.
High resistance or an open circuit occurs when:
1.
The suppressor is not connected to the power supply or has a defective cable. In this
state the only indicator from the system is a high voltage alarm. In this state no current
can be applied to the suppressor.
2.
The suppressor is operated with higher currents than the recommended currents.
Refer to the current settings section to determine the correct current and lower the
current.
3.
The suppressor is exposed to contaminants such as iron, other metals or organics.
Refer to the appropriate cleanup procedure and implement the recommended cleanup.
In cases when the contamination is continuous, a routine cleanup step on a weekly
basis is recommended as part of preventive maintenance.
If the above problem is encountered on a routine basis particularly with samples
containing high levels of metals or solvents, the chemical mode of operation is
recommended. The Dionex
CRS 500 is recommended for the chemical mode of operation;
the Dionex
ERS 500 cannot be operated in the chemical mode.
Refer to Appendix C for alarm state information on discontinued models.
CAUTION
!
NOTE
!
