Taiwei TW-510A, Руководство пользователя

Страница: 7 / 19

7. The troubleshooting and elimination of machine
Sequence
number
Faults Causes Action
1
The motor is out of
operation
1. The power supply is
disconnected.
2. The contactor of control
motor can not work.
3. The startup head (NO)
of motor damaged.
1. Check the power supply
line for soundness,
especially the zero line.
2. Check the contactor and
repair or replace it.
3. Check the switch and
repair or replace it.
2
The motor rotates
reversely.
The two phase lines of
motor are connected
reversely.
Interchange the external two
phase lines of motor.
3
The motor can
rotate when the
startup button is
pressed and stop
when released.
The contactor of motor has
been broken or the head
has been broken. Check the contactor or
switch and repair or replace
it.
4
The motor stops
suddenly during
normal operation. The thermal relay is
released and current is
overloaded.
Check the thermal relay,
readjust or replace it.
5
The handle switch
is not pressed and
the rocker arm
descending.
There are errors in handle
switch and solenoid valve.
Check the handle switch
contact and valve, repair or
replace it.
6
The rocker arm
can not descend
when the handle
switch is pressed.
1. There is error in manual
switch.
2. There is no sufficient oil
amount in oil tank.
3. There is leakage in
hydraulic oil pipe or
joint.
4. The relief valve is
loosed.
5. Switches are not
pressed
synchronously by
hands.
6. The solenoid valve can
not work.
7. The seal ring is broken
or the wearing is
1. Check, repair or replace it.
2. Add hydraulic oil of the
same type.
3. Check oil pipe and joints
to eliminate faults.
4. Readjust the relief valve.
5.
Press again
synchronously.
6. Check the electromagnet
or surrounding wires.
7. Check seal ring or oil
cylinder and eliminate
faults as per condition.
6