0967bf21_Lotus_Notes_Traveler_8_5_2__Steps_to_Resolve_Error
[Error Number] 3 [Error Message] Communications problems with the server [Notes] This error is returned if the “InternetOpen” API fails. [Steps to Resolve Error] 
Step 1 - Try to access the server using a web browser on different device or system that has full connectivity. Step 2 - try to access the server using PocketIE on the device. If the server seems to be online, make sure you can login using the same userid/password that is on the device. Finally, if that works try to soft reset the device.
Lotus Notes Traveler 8.5.2
Steps to Resolve Error