Auto-Tuning - Omron SYSDRIVE 3G3FV User Manual

Basic Operation
Press the Menu Key to cancel auto-tuning. (The operation mode display will appear.)
H Performing Auto-tuning
Auto-tuning will start if the Run Key is pressed when the "Tuning Ready?" message is being displayed.
The motor will operate during auto-tuning, so be sure that it is safe for the motor to operate before press-
ing the Run Key.
The following message will be displayed when the Run Key is pressed:
Tune Proceeding
HZ A
Auto-tuning takes up to 1.5 minutes. The message"Tune Successful" will be displayed when auto-tun-
ing is completed. If auto-tuning has been completed successfully, press the Menu Key and proceed to
the next operation.
Note To cancel auto-tuning after it has been started, press the Stop Key to stop the operation and then
press the Menu Key to return to Drive Mode.
H Auto-tuning Faults
One of the fault messages in the following table will be displayed if a fault occurs during auto-tuning. In
this case, determine the cause of the fault, correct it, and perform auto-tuning again.
The fault display can be cleared by pressing the Menu Key. The motor parameters will revert to their
default settings if a fault occurs. Set these parameters again when auto-tuning.
Fault display
Data Invalid
(Motor setting data fault)
ALARM: Over Load
(Excessive load during auto-tuning)
Motor speed
(Motor speed fault)
Probable cause and remedy
There was a fault in the data set during auto-tuning.
There was a fault in the relationship between the rated frequency, rated
speed, and number of poles.
Change the settings to conform to the following formula:
Rated speed < 120
The effective load factor exceeded 20% during auto-tuning.
A load is connected to the motor axis.
There was a setting fault during auto-tuning.
Check the rated current setting. Change if necessary.
The PG pulse number setting is incorrect.
Check the setting and change if necessary.
There is a motor bearing problem.
Turn the Inverter off and rotate the motor by hand.
Replace the motor if it doesn't turn smoothly.
The torque reference value exceeded 100% during auto-tuning.
There is a broken/disconnected motor power wire.
Check and replace wiring components if necessary.
The PG pulse number setting is incorrect.
Check the setting and change if necessary.
The acceleration time is too short.
Increase acceleration time 1 (C1-01).
A load is connected to the motor axis.
Motor frequency/Number of poles
Remove the load.
Remove the load.
Chapter 5
5-37