Sterlco SSL and SSIL Series Hopper Loaders - Manual (Page 65)

SSL/CSL and SSIL/CSIL Series Sight Glass Hopper Loaders 65
SSL/CSL, SLC, and SSIL/CSIL Series Hopper Loaders with Optional Series One Plus Controllers
Problem
Possible cause Solution
No power to control box.
Plug in power cord; check
main disconnect.
Power switch is off. Turn ON control box.
External fuse 1FU is blown Replace fuse 1FU.
Internal fuse FU2 is blown Replace fuse FU2.
TB1 is disconnected or loose. Reconnect or tighten TB1.
Ribbon cable to the display is
loose. Tighten ribbon cable; check
both ends.
Loose wiring in the control. Check and tighten wiring.
No LED display.
Circuit board has failed. Replace circuit board.
Bin full sensor reed switch is
tripped.
Wait for machine bin material
level to drop, then manually re-
start the hopper loader.
Misaligned bin full sensor reed
switch magnet.
Realign magnet.
Bin full sensor reed switch has
failed.
Replace.
Bin full sensor reed switch
wiring is loose/disconnected.
Repair the wiring fault.
TB2 is loose or disconnected. Re-connect or tighten.
Ribbon cable to the display is
loose or disconnected.
Re-connect or tighten.
AEC is displayed at
power-up, but vacuum
motor doesn’t start when
the
S
START/STOP
START/STOP/SELECT/
SET
key is pressed. The
screen continues to
display
AEC .
Defective keypad. Call the Service Department.
Vacuum motor unplugged from
the control.
Plug in the vacuum motor.
Vacuum time is set to zero (0)
on Menu
1 .
Reset Menu 1 to an
appropriate time.
The vacuum motor has failed.
Repair or replace vacuum
motor as needed.
Solid-state relay has failed. Replace.
Control and display appear
to operate normally, but
the vacuum motor never
starts.
The circuit board has failed. Call the Service Department.
No or insufficient compressed
air.
Fix compressed air supply.
Connect to 80 psi (551.6 kPa/
5.5 bars) supply.
Control and vacuum motor
are operating normally, but
the blowback cycle isn't
working. The blowback
solenoid clicks.
Restricted compressed air line. Find and fix restriction.