This is a local environment issue and not associated with FactoryMaster.
Please liaise with your internal IT department or third party IT to check the wifi network is not disconnecting and reconnecting the RDP session to the RDS server.
To get the remote session back up and running, please follow the solution from article:-
FactoryMaster: how to end a user session from hosted environment (Access Hosted Clients)
Error: 'Communication Link Failure'
The below error message flags up intermittently and requires me to turn off our Data Capture terminal to remove it. Communication Link Failure
Written by Arthur Ashdown