00197543-01_SM_JTF-S_ JTF-M_en.pdf - 第80页
Service Works Troubleshooting SIPLACE JTF-S 2.8 .5 Troubleshooting Charts SIPLA CE JTF-S 80 Service Manual SIPLACE JEDEC Tray Feeder 2.8.5.5 2 . 8 . 5 . 5 C o n v e y o r a n d S e n s o r P r o b le m s - R e t u r n C …
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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
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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.
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2.8.5 Troubleshooting Charts SIPLACE JTF-S Troubleshooting SIPLACE JTF-S
Service Manual SIPLACE JEDEC Tray Feeder 81
The return pusher does not suc-
cessfully push a tray into the
feeder base.
There may be an obstruction on
the conveyor.
► Remove the obstruction and
press the Reset button.
The return cylinder may not have
operated properly.
► Check to see if the return
pusher is firing.
► Check to see if the return
pusher is extending all of the
way.
► Check the pneumatic adjust-
ments for the return cylinder.
► Check the valve block for the
cylinder.
► Check the cylinder itself.
The spring in the return mecha-
nism may be worn out.
► Check the spring, and re-
place it if necessary.
The die are knocked out of the
tray as it returns to the stack.
The tray may be slowing down
too quickly during the “return
slow- down” delay.
► Check the return slow-down
delay setting.
The return pusher may be oper-
ating too quickly.
► Check the pneumatic adjust-
ments for the return cylinder.
Problem Possible Cause Solution