2: Description ShopTek™ ST4, ST5, ST7, ST11, ST15 Three-phase 60 Hz User Manual
88292018-236 R00
20 Subject to EAR, ECCN EAR99 and related export control restrictions.
Refer to Figure 2-11. Press the Down arrow   to display 
additional information about the compressor. The upper 
line will indicate the name 
of the temperature, pressure, 
or other measurement. The lower line indicates the pres-
ent reading.
Refer to Figure 2-12. When you continue beyond the sta-
tus information, the display will 
show a list of control set-
tings. There are customer and factory settings. The 
upper line will indicate the name of the setting. The lower 
lin
e displays the present value.
Refer to Figure 2-13 and Figure 2-14. To change a 
selected setting press   and an interface will display 
where a password is needed. Use   and   to change 
values of each digit. Use   to move to next digit. After 
all digits of the password have been accepted, press  . 
Upon acceptance of password, the setting can be modi-
fied. Use buttons as above to change values. Press   to 
accept changes.
Refer to Figure 2-14. If there is no keypad activity, the 
display will return to normal v
iew in about one minute. If 
the Start  , Stop   or Return/Reset   buttons are 
pressed, the display also returns t
o normal view. If any of 
these occur, the setting will not be altered.
If there are any warnings or recommended service 
instruc
tions, these will be periodically displayed on the 
normal view.
The list of displays may be navigated from either direc-
tion by using the Up   or Down   arrow keys. 
The Emergency Stop button located near the controller 
ove
rrides all electronic functions to turn off the control 
devices. The controller senses this and will display E-
stop. To reset, twist and pull out the Emergency Stop 
button.
2.9 LED lights
The three LED lights indicate the general conditions of 
the machine.
• The Power indicator   
indicates power is 
supplied to the controller.
• The Run mode indicator   indicates compres-
sor operation is enabled. It lights steadily if the 
motor is running.
• The red Fault indicator   indicates that a 
compressor fault has occurred and needs to be 
repaired before further operation. The text dis-
play will indicate the cause of the fault.
Figure 2-11: Total run time
Figure 2-12: Load pressure
Figure 2-13: Password entry
Figure 2-14: Load pressure setting