This is the manual of Studio 1.1.0, an earlier version. The manual of the latest version

Alarm codes

The controller's alarms. An alarm stops the machine and locks it until you clear it: $X or homing, as the alarm says. $EA lists them on the controller itself.

Code	Meaning
`ALARM:1`	Hard limit: a limit switch was hit during motion. The position is probably lost; home again
`ALARM:2`	Soft limit: the motion target is outside the machine's travel. The position is kept; you may unlock
`ALARM:3`	Reset or emergency stop during motion. The position is probably lost; home again
`ALARM:4`	Probe: the probe was not in the expected state when the probing cycle started
`ALARM:5`	Probe: no contact within the programmed travel
`ALARM:6`	Homing: the homing cycle was reset
`ALARM:7`	Homing: the safety door was opened during homing
`ALARM:8`	Homing: the pull-off did not clear the limit switch. Check the pull-off distance ($27) and the wiring
`ALARM:9`	Homing: no limit switch found within the search distance. Check the travel settings and the wiring
`ALARM:10`	Emergency stop. Release it, then reset
`ALARM:11`	Homing required: run the homing cycle ($H)
`ALARM:12`	A limit switch is active. Clear it before going on
`ALARM:13`	Probe protection: the probe was triggered outside a probing cycle
`ALARM:14`	The spindle did not reach its speed in time
`ALARM:15`	Homing: the second switch of an auto-squared axis was not found
`ALARM:16`	The power-on self test failed
`ALARM:17`	A motor drive reports a fault
`ALARM:18`	Homing: the homing settings are not valid
`ALARM:19`	Modbus: no answer or a bad answer from a device (e.g. the VFD)
`ALARM:20`	The I/O expander does not answer
`ALARM:21`	The non-volatile storage (settings memory) failed
`ALARM:22`	A buffer overflowed