Me ajudem por favor ALARM 8

Hi, I have a Sculpfun s30 and I’ve always worked very well with it, but something happened that I can’t reverse, PLEASE HELP ME!!!
this message appears;
ALARM:8
Failure to determine the zero point (‘homing’). The cycle failed to pass the limit switch while backing up. Try increasing the recoil setting or check the cables.
I’ve already checked all the cables and there’s nothing wrong.
ok

Grbl 1.1h [‘$’ for help]

[MSG:‘$H’|‘$X’ to unlock
Below are my Console settings.
$$

$0=10

$1=25

$2=0

$3=2

$4=0

$5=0

$6=0

$10=0

$11=0.010

$12=0.002

$13=0

$20=0

$21=0

$22=1

$23=3

$24=25.000

$25=500.000

$26=250.000

$27=1.000

$30=1000.000

$31=0.000

$32=1

$41=0.000

$40=0.000

$100=80.000

$101=80.000

$102=80.000

$103=100.000

$104=100.000

$105=100.000

$110=6000.000

$111=6000.000

$112=1000.000

$113=1000.000

$114=1000.000

$115=1000.000

$120=1000.000

$121=1000.000

$122=1000.000

$123=200.000

$124=200.000

$125=200.000

$130=410.000

$131=400.000

$132=200.000

$133=300.000

$134=300.000

$135=300.000

ok

Check if your limit switches are stuck/defective.

Read this:

and this:

As a temporary measure you can work without considering the switches, disable auto-home:

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