Reseated G Shield to Arduino and only Z Limit switch works

[JonUdell]

I originally had none of the limit switches working so I took the board out of the enclosure and married them together. When I tried than to align the switches I got rather excited when the machine recognized the Z limit switch and the gantry started heading to the Y limit! I thought my problems where going to be solved and I would soon be carving! Unfortunately when the gantry reached the Y Limit it did not activate the switch and kept trying to crush the switch. I am completely unfamiliar with this GRBL code speak and another forum member suggested I run some type of program to check my GRBL settings… way over my head… where do I start? I am running Easel on a MacBook.
Thank you

[LarryM]

Check this thread to learn how to talk to Grbl. Once that’s done, enter the command $$ and it will output the Grbl parameters. Post them here.

Using Grbl - Direct Communication

Direct access to grbl. You can interact with grbl directly to isolate problems at the low level. To do so, you need to use a terminal type program to issue commands and get responses from the serial port that has the Arduino attached. Some of the programs are HyperTerminal, Putty, UGS (limited access), and the Serial Monitor in the Arduino IDE, among others. Make sure that you have the correct settings for the program that you use. The COM port where the Arduino is attached should have the …

Here’s a tutorial for installing the Arduino IDE.

https://learn.sparkfun.com/tutorials/installing-arduino-ide

Do not load the blink program it will erase Grbl.

[JonUdell]

Larry thanks for all the help. My machine is running! I found a few bad solder joints and now the limit switches are working properly. I found it impossible to seat the G Shield and Arduino together without taking it out of housing, mating than placing back in housing without screwing down. Thanks again!