Common Fault Analysis; The Motor Does Not Work - INVT Goodrive 200A Operation Manual

inverters
Goodrive200A
Fault code Fault type
Parameters
DNE
downloading fault
Electronic
LL
underload fault
8.5.2 Other states
Fault code Fault type
System power
PoFF
Communication
failure between
the keypad and
main control

8.6 Common fault analysis

8.6.1 The motor does not work

Possible cause
 The connection of the
keypad wires is not good
or broken
 The keypad wire is too
long and affected by
strong interference
 There is mistake on the
data storage of the keypad
 The inverter will report the
underload pre-alarm
according to the set value
Possible cause
System power off or the
off bus voltage is too low
The keypad is not conneted
correctly
board
 Check the keypad wires
 Change the hardware and
 Repack-up the data in the
 Check the load and the
108
Fault tracking
What to do
and ensure whether there
is mistake
ask for service
keypad
underload pre-alarm point
What to do
Check the grid
Check the installation
environment