Issue
WorkPlace Tech cannot access the LON card when a Niagara R2 / LonWorks integration station is running on the same computer.
Product Line
TAC IA SeriesEnvironment
- Niagara R2
- WorkPlace Tech
Cause
Niagara R2 station with autorun enabled may run in the background, occupying the LON card and preventing WorkPlace Tech from communicating with it.
Resolution
If you see symptoms such as:
- Download attempt shows “loading device driver” followed by a hand icon that does not move
- Error message: “waiting for service pin”
Then:
- Open Computer Management:
- Right-click My Computer → Manage
- Navigate to Services and Applications → Services
- Stop the following services:
- Niagara
- Niagara LON Tunnel
- Verify these services are not set to start automatically on reboot.
