Red Relay 24V - Sharp SX 1075 Service Maintenance Manual

RED RELAY 24V

The red 24V Relay is only present in Sharp SX
Baggers that are equipped with a printer.
relay receives an end of print signal from the printer
and communicates that to the PLC.
TESTING
WARNING
Always remove electrical power from the
SX prior to performing any maintenance
on the machine.
1. Remove the six screws holding the Frame
Cover. Set screws and Frame Cover aside
(Figure 3-110).
2. Remove fuse drawer from top of Relay (Figure
3-111).
3. With a DVOM set to test for continuity, contact
one probe to each side of the fuse. If the
DVOM does not indicate continuity, replace
fuse.
Note: A blown fuse can be an indication of a
larger issue. If you continue to blow fuses
inspect the wiring for shorts or frays.
4. Push the fuse back into position.
Note: Occasionally this fuse will not make a
good contact with the fuse holder. Reseating
the fuse may resolve the issue.
5. With a DVOM (Digital Volt/Ohm Meter) set to
test continuity, probe between pins 1 and 2 of
the relay. The DVOM should not indicate
continuity.
SX™
Service and Maintenance Manual
SECTION 3 – COMPONENT REPAIR
ELECTRICAL COMPONENTS
TM
This
3-41
Figure 3-110. Frame Cover Screws
2
1
3
4
Figure 3-111. Grey Relay location
960714-02B © 2007 I2407