PIAB C 1200 Series, Troubleshooting Manual

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VACUUM CONVEYORS
33
TROUBLESHOOTING GUIDE: CONTROL UNIT CU-1B, PART # 01.03.919
Problem Possible Causes Possible Solutions
No air to the control unit X Air is shut off
X The 6mm tubing is not connected
X Connect the air supply to the pump (40-100
psi)
X Connect the 6mm tubing to the manifold of
the pump and the 6mm connection on the
control unit
X Turn the compressor ON
X Locate the ball valve for the incoming air
supply
X Open the ball valve
The control unit did not cycle
X
The color-coded tubing are not connected
correctly
X
The color-coded tubing is not pushed com-
pletely into connectors
X
The timers are set correctly
X
The ON-OFF knob is not in the on position
X
Port # 8 (level control) is not plugged
X
Port # 6 (fluidization) is not plugged
X
Remote Start/Stop connectors are not in
place
X
Follow the color for each function of the
control unit
X
Connect corresponding color tubing with
matching control function port
X
Push the control tubing completely into
control connectors
X
Set the timers (A=5sec, B=2sec)
X
Turn the ON-OFF knob on the left side of
controller once to "1"
X
Put 4mm plug into port #8 (level control)
X
Put 4mm plug into port #6 (fluidization)
X
Put 4mm plug into port #44, jump using a
4mm tubing between port #42 and port #43
The control unit did not cycle X Component problem inside the control unit X Call PIAB, 1-800-321-7422 to arrange
repair or replacement
Connections for inlets and outlets
NOTE! The connections must be plugged when not in use.
Indications on
the control unit Nylon tube dimension
OD/ID
Marking/tube colour Port Function
P-in 6/4 Black 1 Air supply input
Open valve 4/2 Blue 2 Opens bottom valve
Filter shock 4/2 Brown 3 Filter shock signal
Pipe empty 4/2 Transparént 4 Pipe emptying signal
Close valve 4/2 Yellow 5 Closes bottom valve
Fluid 4/2 White 6 Fluidisation signal
Pump 4/2 Green 7 Vacuum pump start signal
Level control 4/2 Grey 8 Level detector