12．Common Faults And Troublshooting - Xilin CDDR Operation Manual

12． ． ． ． Common faults and trouble shooting:
No. Faults
The stacker
notstart.(The
does not work either)
1
The stacker
start.(The
works.)
The stacker can only
2 move forward
backward.
The stacker can not stop
3
during traveling.
4 The brake does not work
The steering has got
5
stuck
27
① The fuse of control circuit is burnt out.
power
②The
connection or is damaged.
can
③ Fuse of main circuit is blown.
contactor
④The switch of electric lock is in poor
connection or damaged.
connection
⑤The
batteries is loose or has fallen off.
① The side-magnetic brake of the drive
wheel does not suck and the
stacker is in a braked condition.
②The walking motor carbon brush is
worn or bad contact between the
steering
can not
contactor carbon-brush.
③ The magnet-exciting coil of the
stepper motor is broken or bad
contact at the wire end.
Bad contact.
④
⑤ There is a trouble at the MOSFET tube
type circuit board.
①The contactor is in poor connection or
burnt out.
or
② There is malfunction in circuit board.
Broken contact. The moving contact
cannot be reset.
①The erection bolt of the fine motion
switch looses or is damaged.
connecting
②The
side-magnet brake is loose or
damaged
③ The braking plates of the side-magnet
brake are worn.
① The bearing of the steering device is
damaged.
② The bearing of the steering device
lacks lubricant or there is too much
dust
Possible causes
switch is in
of the storage
device and
wire of
Trouble shooting
Replace
poor
Repair or replace
Replace
Repair or replace
Tighten
Repair or replace
Repair or replace
the
Repair or replace
Repair or replace
Repair or replace
Repair or replace
Repair or replace
Cut off the power at
once and replace the
contact
Adjust or tighten the
bolt or replace the fine
motion switch.
Tighten the bolt or
the
repair the side-magnet
brake.
Replace the
plates.
Replace the bearing
Clean the bearing
braking