WS CONTROLLER
®SULLAIR®
3700 Operator’s Manual and Parts List
31
The list of displays may be navigated from either
direction by using the Up “ ” or Down “ ” arrow
keys. For example, to change language from normal
view, press the Up arrow pad once, press the Enter key
“ ”, select your language, and press Enter again.
The number of displays varies with compressor model,
but will follow the pattern shown on the next page.
The large Emergency Stop button located near the
controller overrides all electronic funtions to turn off
control devices. The controller senses this, and will
display the fault as demonstrated above. To reset, pull
out the Emergency Stop button, then press the Stop pad
to reset the WS controller.
5.4 LED LIGHTS
The four LED lights indicate the general condition of the
machine.
The green Power indicator “ ” simply indicates that
power is applied to the controller. If will blink very slowly
if the WS controller is set up to automatically restart after
power failure.
The green Auto mode indicator “ ” indicates
compressor operation is enabled. It lights steadily if the
motor is running. If the motor stops while in Automatic
mode, this LED will blink to indicate that the motor may
restart.
The yellow Maintenance indicator “ ” comes on
whenever there is recommended maintenance or a
warning. The text display will periodically indicate the
recommended actions or the cause of the warning.
The red Fault indicator “ ” indicates that a
compressor fault has occurred and needs to be repaired
before further operation. The text display will indicate
the cause of the fault.
The PC support program for the WS controller provides
additional information about compressor operation and
advanced setup adjustments to optimize operation.
Software part numbers are shown following a power
interruption or other interruption of communication with
the controller. This remains on the display until
satisfactory communications are established with the
Input/Output module.
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