LFS-PM-T43 operating manual
XXVIII
Chapter 5 : alarm information
1.8 Description of the alarm
During the running, there maybe some alarm happened because of some undesired
conditions. The alarm information will be considered and some protection should be executed.
The alarm information include of up limit trigger, down limit trigger, reset fault, crash alarm,
following error over limit, emergency stop and sensor failed. When one or several alarm
happened, the information will be displayed on the displayer. User should check the reasons that
have caused the alarm and clear the alarm.
1.1.21System fault
It is a system fault. When the hardware or the firmware is failed, the alarm happened. When
the alarm happened, the system will stop motion. User should check the distance controller and
power on it again. If the alarm is still there, user should take a new controller to replace that one.
1.1.22Up/down limit trigger
When the limit protection has been enabled, the system will display the limit trigger
information once the limit is triggered. If there are limit triggered, there may be the following
reason：
The sense of the limit switch is set incorrectly.
Wrong wiring；
Limit switch fault or the voltage level is not 24V.
