ShopTek™ ST4, ST5, ST7, ST11, ST15 Three-phase 60 Hz User Manual 2: Description
88292018-236 R00
Subject to EAR, ECCN EAR99 and related export control restrictions. 19
2.7 Controller/keypad
Refer to Figure 2-9. The controller keypad has two main 
pads for compressor control. To start the compressor 
o
peration, press the green Start pad  .
To stop compressor operation, press the red Stop pad 
. The Run mode indicator   lights up whenever the 
control is in an operating mode.
2.8 LCD display
The display's normal view shows the compressor pack-
age's discharge pressure, internal temperature, operat-
ing mode, and load status. The modes are MANUAL, 
ST
OP, AUTOMATIC, or FAULT.
Refer to Figure 2-10. If a machine fault occurs, the red 
fault   indicator will light up, and the display will indi-
cate that a fault has occurred.
The lower line will display the caus
e of the fault. Refer to 
service instructions to correct the cause. Press and hold 
the Return/Reset pad   to reset the controller.
Figure 2-9: Control system—ST4, ST5, ST7
1. Run mode indicator light (green) 7. Return/reset button
2. Power on indicator light (red) 8. Cursor/confirm button
3. Fault warning indicator light (red) 9. Up button
4. Display panel 10. Down button
5. Stop button 11. Set/load/unload button
6. Start button