X,Y,Z axis moving in opposite direction

[LarryM]

Are you aware of this issue?

Grbl version 1.1f requires updated G-code senders

The user interface to grbl changed between version 1.0c and version 1.1f. If you update your firmware to version 1.1f you must also update your G-code sender to a version that supports 1.1f UGCS version 1.0.9 does NOT support 1.1f UGCS nightly build supports 1.1f PicSender 2.7.6 supports 1.1f Easel basic support for 1.1f (new grbl features may follow).