Barry-Wehmiller Accraply 204RH, Operation And Maintenance Manual

Page: 37 / 97

29 SECTION 1: SYSTEM OPERATION
1.5.4 Alarm List
ALARM CAUSE SYSTEM REACTION &
RECOVERY
TRIGGER METHOD
Sensor Failure Either the Wipe-Down/
Evaluation sensor, or the Eject
Verification/Bin Full sensor has
stopped communicating with
the PLC.
Machine stops. Solid red light
on light stack. Flashing red
SENSOR/CYL indicator light on
control panel. Alarm must be
cleared by pressing the Alarm
Reset button before restarting.
Disconnect one of the sensors.
or
Misalign the sensor from its
reflector.
Bin Full The bin is full of products.
Detected if the Eject
Verification/Bin Full sensor has
been blocked for a set value of
time.
Machine stops. Solid red light
on light stack. Flashing red
SENSOR/CYL indicator light on
control panel. Alarm must be
cleared by pressing the Alarm
Reset button before restarting.
Block the Eject Verification/
Bin Full sensor until the error
occurs.
Cylinder Position
Fault
A cylinder did not make it to
its end or home position when
expected to. (This alarm
indicates that any cylinder
could have faulted).
Machine stops. Solid red
light on light stack. Solid red
SENSOR/CYL indicator light on
control panel. Alarm must be
cleared by pressing the Alarm
Reset button before restarting.
Disconnect an air hose from
one of the cylinders and
attempt to operate system.
Air Pressure is
Out of Range
Pressure switch detects low
pressure (below 80PSI)
Machine stops. Solid red
light on light stack. Solid red
SENSOR/CYL indicator light on
control panel. Alarm must be
cleared by pressing the Alarm
Reset button before restarting.
Turn the supply shut-off valve
to the exhaust position.
3 Consecutive
Failures
The system has failed 3
consecutive inspections.
Machine stops. Solid red light
on light stack. Flashing red
INSPECTION indicator light on
control panel. Alarm must be
cleared by pressing the Alarm
Reset button before restarting.
Switch the system mode to
“Challenge” mode. Run 3
products through the system.
Eject Verification
Failure
The system attempted to
eject a product after a failed
inspection but the product did
not enter the reject bin.
Machine stops. Solid red
light on light stack. Solid red
INSPECTION indicator light on
control panel. Alarm must be
cleared by pressing the Alarm
Reset button before restarting.
Switch the system mode to
“Challenge” mode. Load one
product. When it is ejected,
ensure the product does not
trigger the eject verification/
bin full sensor by physically
stopping the product.
Product Too Long
(Back-to-back)
A second product has caught
up to a product in the wipe-
down/inspection station. If the
first product passes inspection,
the stop gate will open, but will
not be able to close because
the next one is too close.
Machine stops. Solid red
light on light stack. Solid red
INSPECTION indicator light on
control panel. Alarm must be
cleared by pressing the Alarm
Reset button before restarting.
Stall the product at the stop
gate after it has opened to
release the product. Allow
another product to catch up to
it, then release the first product.
OPERATING PROCEDURES