39
KP1396 E - KP 1396 P
KP 1396 TE - KP 1396 TP
KP 1396 EACT
0508-M001-3
9
9.1 PROBLEMS KP 1396 E - KP 1396 TE
PROBLEM
CAUSE
SOLUTION
Machine not working.
Machine carries out rise
movement but not
descent.
Descent is carried out at
extremely slow speed.
The motor is working
properly but lifting cannot
be carried out.
The motor is working
properly but the rise
speed is extremely slow.
The rated capacity
cannot be raised.
Stop during down-shift.
The pawl release lever
does not disengage.
a)
Main switch to “0”.
b)
Transformer fuse or general protective
fuses interrupted.
c)
Electrical system faulty.
a)
Descent solenoid valve blocked in closed
position.
a)
The flow regulating valve is not working
properly.
a)
Descent solenoid valve blocked in open
position.
b)
Pump suction filter clogged.
c)
Drive joint broken.
d)
Calibrating valve not working properly.
a)
The descent solenoid valve is partially
open.
b)
Pump suction filter partially clogged.
c)
Worn or damaged pump.
d)
Calibrating valve not working properly.
e)
Worn seals in hydraulic cylinders.
a)
Calibrating valve not working properly.
b)
Worn or damaged pump.
a)
Possible obstacle under the platform.
b)
Latch in.
a)
Slackened connecting wire.
a)
Turn to “I”.
b)
Replace used fuses.
If a fuse interrupts again, find the cause
of the problem.
c)
Check efficiency, components and
connections (switch, contactor,
transformer).
a)
See “Maintenance” chapter.
b)
Reset the limit switch and replace if
necessary.
a)
See “Maintenance” chapter.
a)
See “Maintenance” chapter.
b)
Clean filter.
c)
Replace joint.
d)
Ask for technical assistance.
a)
See “Maintenance” chapter.
b)
Clean filter.
c)
Replace pump.
d)
Ask for technical assistance.
e)
Replace seals.
a)
Ask for dealer’s assistance.
b)
Check pump efficiency and replace if
necessary.
a)
Remove obstacle.
b)
Check latch.
a)
Adjust.
