HLP-NV Series
HLP-NV Series
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91
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● Check whether the motor makes unusual noises or abnormal vibration
in running.
(The inverter should not be installed in a place with high vibration.)
● Please make periodical cleaning of vent holes.
3. Fault Indication and Troubleshooting
The inverter of HLP-NV series is relatively perfective with the protection
functions of overload, inter-phase short circuit, earth short circuit, under-
voltage, overheating and over-current, etc. When a protection function
happens with the inverter please check the reasons of faults according to
the information listed in the table below. The inverter can be restarted
after the disposal. If the fault cannot be disposed please contact the local
distributor.
Fault
Process method
1. Motor runs
unsteadily
Motor runs unsteadily but not warnings issued, please
check the seetings of motor parameter, if no effect,
please contact holip.
2. Motor cannot rotate
Make sure no warning or alarm occured.
If any warning or alarm occurred,please refer to
corresponding troubleshooting section.
If no warning or alarm occurred,please refer to item 5.
Please make sure if input voltage is correct and refer
to item 4 if it is correct.
3. Braking function
cannot take effect
Please refer to braking function section
4. No fault message or
displyed
Make sure the fuse is not broken
Make sure the control card is not overloaded, and it
is overloaded or 24V is shorted,please remove the
connection of control terminal. Make sure if any fault
message is displayed,and if no, please contact Holip
5. Motor cannot rotate
and no fault message
displyed
Press [ENTER] key on LCP and make sure the screen
is active, i.e. the display can be switched or parameter
can be edited.
Please make sure if the screened cable used and
connected correctly.
If display is no problem,please make sure the
connection between motor and the drive is correct
and then operate the drive in hand mode. Please
contact Holip if motor cannot rotate.