GD310-UL series VFD
Fault tracking
-178-
8.6 Common fault analysis
8.6.1 The motor does not work
The motor does not
rotate
If the POWER is on or
not?
If there is displaying on
the keypad
If the contactor closes on
the input side
Switch on the air
contactor
Check the
voltage og RST
with multimeter
VFD fault
Check the voltage of
the power supply
If the keypad displays the
information or not
Ensure the running
command channel
Press RUN to run
Normal running
Settle the fault
according to the
fault information
Normal running
Normal running
If the speed command
setting is right or not
Normal running
Check the voltage of
UVW
VFD fault
If the motor configuration
is right or not
Set a right motor
configuration
If the load is too heavy
Reduce the load if
the motor is locked
caused by heavy load
Motor fault
Yes
No
No
Yes
Yes
Normal
Yes
Yes
Normal
Abnormal
normal
Commun
ication
Terminal
Keypad
Yes
Abnormal
No
No
No
No
No
No
Normal
Normal
Abnormal
Yes
Normal
Abnormal
Yes
Check the state of the
input terminal
Reset the
parameters If it is
normal running
If the communication
configuration is right or
not
If the communication
parameter is right or not?
Normal running
Normal
abmormal
If the running is normal
or not after switching
on the terminal
Abnormal
If the running is normal after setting
a right speed commadn
Содержание GD310-011P-4-UL
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