Common Fault Analysis - INVT Goodrive300-19 Series Operation Manual

Goodrive300-19 series open loop vector inverter special for hosit
Code
8.5.2 Other faults
Code
System power
PoFF
Communication
failure between
keypad and main
control board

8.6 Common fault analysis

8.6.1 The motor does not work
Normal running
Normal
Reset the
parameters
if it is normal running
Abnormal
Normal
If the communication
Normal running
configuration is right or not
Abnormal
Fault
disconnected
Fault
The system is power-off or
the bus voltage is too low
failure
The keypad is not
connected properly
Settle the fault
Yes
according to the
fault information
Communication
No
If the communication
parameter is right or not?
Yes
Normal
Normal running
No
Motor fault
Cause
Cause
The motor does not
rotate
If the POWER is on or not?
No
If there is displaying on the
keypad
Yes
If the keypad displays the
information or not
No
Terminal
Ensure the running
command channel
Keypad
Press RUN to run
Abnormal
No
If the speed command
setting is right or not
Yes
Abnormal
Check the voltage of
UVW with multimeter
Normal
If the motor configuration
is right or not
Yes
If the load is too heavy
-196-
Solution
Solution
Check the environment of the
power supply
Check the installation
environment of the keypad
If the contactor closes on
the input side
Yes
Check the
Normal
voltage of RST
with multimeter
Abnormal
Check the voltage of
the power supply
Check the state of the input terminal
Yes
If the running is normal after setting
a right speed command
Inverter fault
No
Set a right motor
configuration
Reduce the load if
Yes
the motor is locked
due to heavy load
Fault tracking
No
Switch on the air
contactor
Inverter fault
Normal running
Normal
If the running is
No
normal or not after
switching on the
terminal
Abnormal
Normal
Normal running