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Post by cnchensley on Feb 7, 2022 5:06:25 GMT
I own a Mill Right Carve King and recently disassembled it and moved. After re-building the CNC machine, and testing it in Universal GCode Sender, I received an error:4” : _(“Negative value received for an expected positive value.”
I have searched the internet for a possible fix but can only find a list of errors but no remedies.
Can anyone help??
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Post by bLouChip on Feb 7, 2022 12:10:27 GMT
I looked at (searched) the grbl source code, error:4 is issued in 2 cases that I found.
1) during grbl configuration setting, aka issuing $n=value commands, where the value is mistakenly negative.
2) when grbl parses g-code command words: F, N, P, T, and S, where the nnnn value after the letter command is negative.
Perhaps this will help narrow your search for the cause.
Cheers,
Lou
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Post by S. Ronin McGowan on Feb 8, 2022 0:21:39 GMT
First thing that is going to be needed is "what was the command you had just sent?" Or, another question may be needed "If no command was issued, what was happening on the machine (carve king) when it happened? Was there a program running?"
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