Maintenance of the ecd, Purging the ecd – INFICON Explorer Portable Gas Chromatograph User Manual

Page 252

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Maintenance and Troubleshooting

250

Maintenance of the ECD

WARNING

Do not open

Explorer or remove the ECD. If the ECD must be

removed from the instrument contact

INFICON.

WARNING

You are not authorized to clean the ECD. Do not put any cleaning
agents through the ECD.

Purging the ECD

There are various indicators of GC contamination for an ECD.

Increased baseline level and reduced range.

Increased noise on the baseline.

Negative dips following large positive peaks

Reduced sensitivity.

If you are experiencing any of these problems, purge your ECD. If this does not

correct the problem, then contact

INFICON.

1. Move the instrument to an area where the ambient air contains no VOCs.

2. Switch to supervisor mode by pressing Enter Menu, then SETUP and MODE,

then use the arrow keys to select Super.

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