Why am I seeing erroneous shunt current readings on my TPDIN-Monitor-WEB2 and TPDIN-Monitor-WEB3?
Electrical noise from MPPT Solar controllers or noisy power sources can cause erroneous shunt current readings on the WEB2 and WEB3. The reading will seem to fluctuate widely.
- To improve this issue, be sure that the WEB2/3 is connected to the Battery- in the system.
- V- connection is located on Connector 7 in the WEB2/3. This will ensure that the WEB2/3 is properly grounded to increase noise immunity.
Note: The FG connection on the WEB2/3 should also be connected to earth ground for surge protection to work properly.