" update the firmware from the 170406 to the newer 170327."Lower version number = older. Try the firmware recovery utility I posted on another thread with the original firmware.

There is updated firmware for the 9020p v3 on the UK site. Got red LEDs lit all the time before updating. Seems ok now mixed with v1.

Do they have a red LED lit when they stop working? If so it's an interference issue. Try clip on inductors as per the other 9020 thread.

MariaDPettiford wrote Hi, exactly, I have the same issue and would be glad to know some possible solutions. Any ideas to fix it? Upgrade to Windows 10. Windows 7 is end of life and Windows 10 is...

tpPLC shows native link speeds. Actually transfer speeds are much lower due to various overheads. That's normal.

Gatallica777 wrote What do you mean by fuse box? The box with all your fuses / circuit breakers in for the mains supply