Amada Miyachi Unitek STA-100A, Operation Manual, Page: 63 / 154

CHAPTER 4: OPERATING INSTRUCTIONS
STA SERIES AC CONTROLS
990-351 4-15
Section VI: Shutdown
Emergency Shutdown
In an emergency, you may perform an
emergency shutdown by hitting the
Emergency
Stop Switch . Weld power will be immediately
shut down, the valve outputs will turn off, and
you will get the emergency shutdown message
on the Control.
************ EMERGENCY STOP ************
THE SYSTEM HAS ENCOUNTERED A SERIOUS
CONDITION, POSSIBLY INVOLVING A
SAFETY HAZARD. CLEAR THE CONDITION
AND PRESS THE RESET BUTTON TO REBOOT.
After clearing the emergency condition, you must :

Assure that
FS1
and
FS2
signals are open,

Reset the emergency shutdown switch.

Rest the Control either by pressing the front panel
RESET
switch or providing an external reset
signal.

The Control will re-boot following the
RESET
signal. Set the Control to the desired schedule.
Normal Shutdown
Turn off power from the external, customer-supplied circuit breaker or power contactor.