00197543-01_SM_JTF-S_ JTF-M_en - 第79页

Service Works 2.8.5 Troubleshooting Charts SIPLA CE JTF-S Troubleshooting SIPLA CE JTF-S Service Manual SIPLACE JEDEC Tray Feeder 79 The feeder inde xes before the tray is ready. The “stop at end” or “ready” sensor may b…

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Service Works
Troubleshooting SIPLACE JTF-S 2.8.5 Troubleshooting Charts SIPLACE JTF-S
78 Service Manual SIPLACE JEDEC Tray Feeder
2.8.5.4
2.8.5.4 Conveyor and Sensor Problems - Outgoing Cycle
Conveyor and Sensor Problems - Outgoing Cycle
During tray exchange, the lift cyl-
inder does not make it to the bot-
tom of its stroke.
The door may be open, or the
door switch may be stuck.
► Check U6-8 and the door
switch.
► Replace the switch if neces-
sary.
The mechanism may have
jammed.
► Check for a mechanical prob-
lem, then press the Reset
button.
The air pressure to the feeder
may be low.
► Check the air pressure. This
should be 60 psi or 5 bar.
See the instructions at the
beginning of this section.
The lift cylinder may not be mov-
ing freely.
► Remove the bottom plate in-
side the feeder and check for
free motion of the cylinder.
The flow controls for the lift cylin-
der may be out of adjustment.
► Check the pneumatic adjust-
ments for the lift cylinder.
The “lift cylinder down” sensor
may not be made.
► Check LED U1-2 and the
sensor.
► If the sensor is not made,
check that the shock absorb-
ers are properly adjusted
The valve block for the lift cylin-
der “down” function may be bad.
► Check the valve block and re-
place it if necessary.
The lift cylinder may be bad. ► Check the cylinder and re-
place it if necessary.
Problem Possible Cause Solution
Problem Possible Cause Solution
The conveyor does not move. The feeder may be in an inhibit
condition (yellow LED).
► Press the Inhibit button again
to cancel the condition.
The elevator access door may be
open, or the door switch may be
stuck.
► Close the elevator access
door. Check U6-8 and the
door switch.
There may be an Error or Stop
condition (orange LED blinking or
on).
► Press the Reset button. For
information on the Error con-
dition, see the first part of this
section.
Two trays move at the same
time.
The “thick/thin” switch may be in-
correctly set to “thick.”
► Set the switch to the “thin”
position.
A tray exchange starts with a tray
underneath the separation mech-
anism.
A tray may be improperly located
in the feeder.
► Remove the tray and push
the Reset button.
Service Works
2.8.5 Troubleshooting Charts SIPLACE JTF-S Troubleshooting SIPLACE JTF-S
Service Manual SIPLACE JEDEC Tray Feeder 79
The feeder indexes before the
tray is ready.
The “stop at end” or “ready”
sensor may be stuck.
► Check U1-4 and the sensor.
Check for free movement of
the sensor arm, and clean it if
necessary.
The micro-controller may be lost
in a program loop.
► Reset by turning the power
off, then on again.
The micro-controller or the moth-
erboard may be bad.
► Replace the micro-controller
or the motherboard.
The feeder stops before the in-
dex cycle is complete (solid or-
ange LED).
The “stop” button has been
pressed, or is sticking.
► Press Reset to clear the
feeder. Check U1-7 and the
stop switch.
The separated tray does not
reach the “conveyor slow down”
sensor before timeout.
The separated tray does not
reach the “conveyor slow down”
sensor before timeout.
The conveyor belts may be dirty
and slipping.
► Clean the conveyor belts with
alcohol.
The out feed pusher may not
have extended properly.
► Check the pneumatic adjust-
ments for the tray feed push-
er.
The valve block for the out feed
pusher cylinder may be bad.
► Check the valve block and re-
place it if necessary.
The out feed pusher cylinder may
be bad.
► Check the cylinder and re-
place it if necessary.
A tray on the conveyor does not
reach the “stop at end” or “ready”
sensor. (You should see a green
LED on the sensor.)
A tray may be improperly located
in the feeder.
► Remove the tray and push
the
► Reset button.
Something may be blocking the
free motion of the tray on the con-
veyor.
► Remove the tray and any ob-
struction, then push the Re-
set button.
The conveyor belts may be dirty
and slipping.
► Clean the conveyor belts with
alcohol.
The “stop at end” or “ready” sen-
sor is made before the “conveyor
slow down” sensor.
The flag on the “ready” sensor
may be sticking.
► Check U1-4 and free up the
mechanism.
The separated tray does not
reach the “stop at end” or “ready”
sensor before timeout (2 sec-
onds after making the “conveyor
slow down” sensor”).
There may be an obstruction on
the conveyor.
► Check for warped trays.
► Check for anything blocking
the motion of the trays.
► Remove the obstruction and
press the Reset button.
The conveyor belts may be slip-
ping.
► Clean the belts with alcohol.
The die are knocked out of the
tray as the tray is pushed onto
the conveyor.
The action of the out feed pusher
may be too quick.
► Check the settings of the flow
controls.
Problem Possible Cause Solution
Service Works
Troubleshooting SIPLACE JTF-S 2.8.5 Troubleshooting Charts SIPLACE JTF-S
80 Service Manual SIPLACE JEDEC Tray Feeder
2.8.5.5
2.8.5.5 Conveyor and Sensor Problems - Return Cycle
Conveyor and Sensor Problems - Return Cycle
The die are knocked out of the
tray as the tray reaches the end
of the conveyor.
The tray may be slowing down
too quickly during the “forward
slow down” delay.
► Check the setting for the for-
ward slow down delay.
The forward slow-down sensor
may not be working.
► Check U1-3 and the sensor.
The tray clamp may be moving
too quickly.
► Check the setting of the flow
controls.
The belt guides may be out of
alignment, causing the trays to
bounce.
► Check the alignment.
Problem Possible Cause Solution
Problem Possible Cause Solution
The conveyor does not move
(blinking orange LED).
A tray may be sitting at the “tray
home” or “stop at stack” position
during the index cycle, blocking
the path of a new tray.
► Manually remove the tray
from the “tray home” position,
then press the Reset button.
There may be a problem with the
“stop at end” or “ready” sensor.
► Check U1-4 and the sensor.
The returning tray does not reach
the “stack slow down” sensor be-
fore timeout.
The conveyor belts may be dirty
and slipping.
► Clean the conveyor belts with
alcohol.
There may be an obstruction on
the conveyor.
► Remove the obstruction and
press the Reset button.
The tray clamp cylinder may not
have retracted properly. When
the tray returns, the tray clamp
mechanism is supposed to pro-
vide some “push” to get the tray
moving.
► Check the pneumatic adjust-
ments for the tray clamp cyl-
inder.
► Check the valve block for the
cylinder.
► Check the cylinder itself.
The returning tray does not reach
the “tray home” or “stop at stack”
sensor before timeout.
There may be an obstruction on
the conveyor.
► Remove the obstruction and
press the Reset button.
The return slow-down delay may
not be set correctly.
► Check the setting.