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Operating and Maintenance Manual
Scientek Washer Model SW-6000
Revision-3, Sept. 2007
5-22
5.4 SERVICE MENU
The service mode is provided to enable testing and troubleshooting the control devices on the
hemical pumps system comprising of the chemical level sensors and the
e-
is
ipped with the conductivity control system a test screen will be provided for conductivity
controllers.
Access to the service mode is restricted by the Service switch.
The switch must be in the ON position in order to access the Service Menu screen.
5.4.1 Test PLC Input Signals (Sensors)
Both descriptive and graphical indication
are used to better represent the status of
the control device or the sensor.
Sample:
washer, i.e. the sensors, push buttons, control valves, pumps’ motors, and chemical pumps.
The devices are divided in the following groups: the PLC input signals, the PLC output
ignals, the c
s
chemical pumps (or signals to the chemical injection controllers). Washers equipped with r
ulation tanks will have test screen provided for the tanks’ valves and pumps. If washer
circ
equ
Scientek Technology Corporation
Tel: (604) 940-8084
7943A Progress Way, Delta, BC V4G 1A3
Fax: (604) 940-8085