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SSL/CSL and SSIL/CSIL Series Sight Glass Hopper Loaders
63
SSL/CSL, SLC and SSIL/CSIL Series Hopper Loaders with Optional Series One Plus Controllers Cont’d.
Problem
Possible cause Solution
The blowback valve is
unplugged.
Plug in the blowback valve
cable.
The number of blowback
pulses on Menu 2 is set to
zero.
Restore Menu 2 to an
appropriate value.
TB1 is loose or disconnected. Secure TB1.
Solenoid valve or its coil has
failed.
Repair or replace as needed.
Control and vacuum motor
are operating normally, but
the blowback cycle isn't
working. The blowback
solenoid makes no sound.
The circuit board has failed. Call the Service Department.
Material supply is low. Fix material supply problem.
Material wand is not properly
positioned in material supply.
Adjust material wand at
material pickup point.
Material wand not adjusted for
the flow characteristics of the
material conveyed.
Adjust material wand to
compensate for flow
characteristics. See Section
3-6 for more information.
Obstructions in supply line.
Clear all obstructions in the
line.
Filter is dirty.
Clean or replace filter as
needed.
Filter is clogged, holding open
the flapper discharge valve.
Replace filter as needed.
Hopper doesn't
fill completely.
Vacuum time is set too low.
Set Menu 1 to an appropriate
value.
Material residue buildup on
proximity sensor.
Clean proximity sensor.
Proximity sensor sensitivity is
set too high.
Reduce sensitivity of sensor.
Material possesses excessive
static properties.
Additional grounding is
necessary. Contact the
Engineering Department.
Control wiring connections on
circuit board are loose.
Secure connections on circuit
board.
Proximity switch trips
before tank is full.
Proximity sensor wire is cut. Replace proximity sensor.