Samsung SM421 Operation Handbook page 40

PART IV. How to stop the machine in emergency
Releasing 'Emergency Stop' mode
2
3. Find the cause of the emergency
stop, and remove it
AIR
PRE SSU
RE
SAF EGU
OVE ARD RRID
SAF EGU OVE E
ARD RRID
E
MAI N
TCH SWI
MAI N
SWI TCH
In case that the machine stops in an emergency state and then the production is restarted, the operator must check if there is any
component on the PCB due to emergency stop before pressing the 'READY' button. If he/she finds any, it must be removed.
Caution
4. Press the 'RESET' button
SM421 Operation Handbook
5. Press the 'READY' button
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