3000PB, 3700B, 4500B, 3000PVB, 3700VB, 4500VB User Manual 5: WS Controller™
02250216-786 R01
Subject to EAR, ECCN EAR99 and related export control restrictions. 53
The list of displays may be navigated from either direc-
tion by using the (Up arrow) or Down arrow
pads. For example, to change language from normal
vie
w, press the (Up arrow) pad once, press the
(Enter) pad to select your language, and press the
(Enter) pad again. The number of displays varies with
compress
or model, but will follow this pattern.
The large Emergency Stop button located near the con-
troller overrides all electronic functions to turn off the con-
trol devices. The controller sens
es this, and will display
E-stop. To reset, twist and 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 blue Power indicator simply indicates that power
is applied to the controller
. It will blink very slowly if the
WS Controller is set up to automatically restart after
power failure.
The green Run mode indicator indicates compressor
operation is enabled. It lights steadily if the motor
is run-
ning. 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 when-
ever there is recommended maintenance or a warning.
Th
e text display will periodically indicate the recom-
mended actions or the cause of the warning.
The red Fault indicator indicates that a compressor
fault has occurred and needs to be repaired before fur-
ther operation. The text dis
play will indicate the cause of
the fault.
The PC support program for the WS Controller provides
ad
ditional information about compressor operation and
advanced setup adjustments to optimize operation.
Software part numbers are show
n in the display following
a power interruption or other interruption of communica-
tion with the controller. The P/N remains on the display
un
til satisfactory communications are established with
the Input/Output module.
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