We can perform a factory reset to the Bus Coupler (TM3BCEIP, TM3BCSL , TM3BCCO) if we follow the next steps:

STEP	Action
1	Remove power from the bus coupler.
2	Disconnect all communication cables.
3	Set the two rotary switches to position 8 (arrows down).
4	Apply power to the bus coupler.
5	Wait for a minimum of 30 seconds.
6	Set the two rotary switches to position 0 (arrows up).
7	Remove power from the bus coupler.
8	Apply power to the bus coupler.

If we are not able to connect via USB please check the Rotary Switch position not to be in 00, 128, 129 (TM3BCSL or TM3BCCO).

Remember: Any modification of the rotary switch position is taken into account after power up.

Released for:Schneider Electric Ireland