(b)
It could be started under no-loading, but ......
Malfunction
Cause
Solution
Motor
in reverse
Power
line wrong-connected
Replace
2 cables among RST 3 cables
Continuous
up/down
Air mixed
Up/down
for 5-6 times (push the down button for a while when it
reaches the bottom)
Could
not reach the top
Insufficient
oil provided by oil pressure
Supplement
oil for oil pressure
Quick
break of upper limit switch
Adjust
the upper limit switch
Continue
to go down even under stop
Foreign
material mixed inside the spiral check valve
Unpack
and clean or replace the valve
Abnormal
sound found in bearing
Insufficient
oil
Add
lubricating oil
(c)
Can go up while can not go down
Malfunction
Cause
Solution
Spiral loop out of work (“paji”
switch sound)
Power
off on primary port
Reconnect
the primary port
Wiring disconnected
Check
wiring
Poor
contact in operation switch
Replace
the operation switch
Spiral
loop burned
Replace
the spiral loop
Can
not go down although the spiral loop works
Adjustable
bolt screwed too tighten
Loosen
the bolt and tune to the proper velocity
Down
check valve in error
Replace
the valve
Obstacles
inside the machine
Eliminate
the obstacles
(d)
Abnormal situation when loading
Malfunction
Cause
Solution
Can
not go up
Over-loading
Should
be under the loading capacity
Motor
over-heating
Over-loading
Should
be under the loading capacity
Down
in voltage
Please
contact the power supply company
Please
contact directly our company or the distributor when the
problem could not be solved although proper measures have
been taken. We will try our best to meet your requirements
and take according measures immediately.
