Thermo Scientific TRACE GC Ultra Maintenance And Troubleshooting Manual page 205

Clean the Collecting Electrode
13. When the electrode is dry, place it in its
housing. Ensure the insert hole is perfectly
vertically aligned with the hole on the cell.
14. Using forceps, reconnect the gold contact pin.
15. Remount the connector holder assembly,
verifying the contact efficiency.
Maintenance and Troubleshooting Manual
Chapter 11
Maintaining a FID
205