Teledyne First Responder CG, User Handbook Manual, Page: 55 / 104

5-3
OPERATOR MAINTENANCE FIRST RESPONDER CG - USER HANDBOOK
Probe Filter Replacement
Probe Handle Assembly - Part No. 12481
Hydrophobic and cotton particulate filters in the probe handle
minimise the danger of water and dust ingress.
Caution: The instrument should never be switched on
without suitable filters installed.
If a blockage occurs, the ‘SAMPLE FAULT’ indicator is
displayed. Check the sample line and probe handle for
blockage. Press
(Button 1) to clear the ‘SAMPLE
FAULT’ message. Replace the filter(s) if the message does
not clear.
To replace the filter(s), proceed as follows:
1. Unscrew the probe handle assembly.
Hydrophobic Filter
Cotton Particulate Filter
Probe Handle Assembly
Fig. 5-3 Filter Assembly