Clean the connectors before and after connecting the Module.
The procedure of cleaning connectors:
1. Wipe the connector surfaces as shown by the arrows in the figures below with a swab dipped in alcohol.
2. Use compressed air to clean another internal connector surface.
3. Let the alcohol dry on the connector surfaces.
4. Visually inspect the connectors to make sure that no particles or residue remain.
5. Repeat the cleaning procedure if necessary.
WARNING |
NEVER use metal items for cleaning connectors. NEVER wipe the center conductors of female connectors. They should be blown with compressed air. |