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SSL/CSL and SSIL/CSIL Series Sight Glass Hopper Loaders
61
SSL/CSL, SLC and SSIL/CSIL Series Hopper Loaders with Standard Series One Controllers Cont’d.
Problem
Possible cause Solution
Air pressure is too low.
Increase air pressure to at
least 80 psi (551.6 kPa/5.52
bars).
Make sure piping is full size.
Air supply to blowback is
restricted.
Remove all restrictions in air
supply.
Blowback valve assembly is
not connected to controller.
Connect blowback assembly
to controller at the proper
receptacle.
Control wiring connections are
loose on the circuit board.
Secure terminal connections of
the controller wiring on the
circuit board.
Blowback does not work
properly.
Solenoid valve or valve coil
has failed.
Repair or replace solenoid
valve as needed.
Material supply is low. Refill material supply.
Selected conveying sequence
is too short.
Select a more suitable
sequence from the 16
selections; see Section 4-4 on
for more information.
Material probe not properly
positioned in material supply.
Adjust material probe at
material pickup point.
Material probe not adjusted for
flow characteristics of material.
Adjust material probe to
compensate for flow
characteristics; see Section
3-8 for more information.
Obstructions in supply line.
Clear all obstructions in the
line.
Filter is dirty.
Clean or replace filter as
needed.
Hopper does not
completely fill.
Filter is clogged, holding open
the flapper discharge valve.
Replace filter as needed.
Terminal connection is loose.
Secure terminal connections
on the terminal board.
Light is burned out. Replace light.
Power light does not work.
Wire has been cut. Replace wire; replace light.
Hopper over-fills
repeatedly.
The loading sequence is too
long.
Select a more suitable
sequence from the 16
selections; see Section 4-4 for
more information.