5-6
FWD or REV LED
light after flashes ?
Check Inverter parameters
YES
NO
Perform parameter
initializations
Specify operation control
mode
Set up frequency command
Connect the motor to run
The inverter is OK
Replace the control board
Replace the control board
Replace the control board
The inverter is failed
Perform detailed check
‧
NO
NO
NO
NO
YES
YES
YES
YES
Is the frequency value
displayed in operation
unit?
Are there
voltage outputs at
terminalsT1 T2 T3
Is there any fault
display?
Are output
currents of each phase
even?
Does the control
Board function after
replacement
*
From
previous page
YES
NO
Figure 5-1 E310 fault display and troubleshooting flow chart