Corghi Erco X5000 CT LT PT2 FAST, Operator'S Manual

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82 Operator's manual ERCO X5000 CT LT PT2 FAST
Troubleshooting table
PROBLEM POSSIBLE CAUSE REMEDY
The main switch is on, the power
on light is off 1- No connection to the network
socket
2- Transformer protection fuses
or line fuses blown
3- Electric transformer fault 1- Check the exact connection
of the power supply cable with
the network socket
2- Replace the burnt fuses; if the
burnt one burns again, contact
the technical assistance
3- contact the technical as-
sistance
The main switch is on, the power
on light is on but the lift does
not answer to any control fuse burning on the electronic
board replace the burnt fuse on the
electronic board; if the fuse
burns again, contact the techni-
cal assistance
Pushing the up button, the
motor turns but the lift does
not go up 1- Incorrect phase connection
in the mains power plug (mo-
tor rotating in the opposite
direction)
2- Electrical system anomaly 1- Check connection to the
network socket and restore it,
if necessary
2- Contact the technical as-
sistance
The ascent becomes irregular
and uncoordinated after reach-
ing a certain height air intake in the hydraulic circuit
due to a too low oil level add oil until the regular maxi-
mum level as specified in the
operator's manual is obtained
Motor stops while ascending
after repeated lifting cycles thermal protection intervention
due to the motor overheating.
ALARM 02 wait for a certain period of time
until the motor cools down
By pressing the down button,
the lift raises and stops before
descending; or by pressing the
quick positioning button, the lift
does not start the descent solenoid valve YV5 connector
disconnected contact the Technical Assist-
ance
The motor is very noisy and the
control unit vibrates greatly; the
lift is not powered 1- One electrical phase missing
due to burnt fuse
2- One electrical phase missing
but the fuses are not damaged;
probable clamp loosening 1- Replace the burnt fuse; if the
motor is still noisy, contact the
technical assistance
2- Contact the technical assist-
ance for a check
The lift blocks during a ma-
noeuvre load imbalanced or hydraulic
system or position transduc-
ers fault put the load to the ground fol-
lowing the manual emergency
procedure and contact the
technical assistance