5: Controller SN55, SN55S, SN55V, SN75, SN75S, SN75V User Manual
02250247-571 R04
63 Subject to EAR, ECCN EAR99 and related export control restrictions.
3 Indicator LEDs
There are four status indicators that identify the current
operational status of the machine:
• Power-On Indicator (Blue) – Lights when power is
applied to the controller. It will blink slowly to indicate
that Automatic Restart After Power Failure is enabled.
• Automatic or Manual Run Mode Indicator (Green) –
Lights whenever the compressor is set to start and run
automatically. The light is constant whenever the
motor is running. The light will blink slowly if the com-
pressor motor is stopped while in Automatic Mode as
a warning that the machine may restart at any time.
The light may blink rapidly if a machine start is immi-
nent.
• Maintenance or Warning Indicator (Amber) - Lights
when recommended maintenance or service warning
is issued. In most cases, the machine will continue to
operate normally.
• Fault Indicator (Red) - Lights when a compressor fault
has occurred. The light remains steady and the com-
pressor remains inoperative until the fault condition is
corrected.
4 QR Code
Read the QR code with the camera on your smartphone or
tablet to access user manuals on your device.
5 Touch screen display
Displays operating parameters and compressor information.
Provides interface between the user and the compressor
controller.
6 Menu button Returns to the main menu screen.
7 USB Port
Use this port to upload information to the STS controller
using a flash drive.
8 Emergency Stop (E-stop) button
Used to stop the compressor immediately. The E-stop but-
ton is logged as a fault and should only be used when
essential.
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