169
8.4 Auto-Tuning Fault Detection (Under Development)
Table 8.4 Auto-Tuning Codes, Causes, and Possible Solution
User presses STOP key
during Auto-Tuning
Do not press STOP key during
Auto-Tuning
Line-to Line
Resistance Error
The line-to-line resistance in
Auto-Tuning is negative or
limited by the upper the
lower limit
Check and correct motor wiring
Stationary
Auto-Tuning Error
The voltage or current is too
large during stationary
Auto-Tuning
Make sure the data entered in t1-03
to t1-05 is the same as the
information showed on the motor
nameplate
Check and correct motor wiring
Rotational
Auto-Tuning Error
The voltage or current is too
large during rotational
Auto-Tuning
Make sure the data entered in t1-03
to t1-05 is the same as the
information showed on the motor
nameplate
Check and correct motor wiring
Perform Auto-Tuning after
disconnect the motor from the
machinery
t5-05 and t1-07 setting
incorrect
Make sure the data entered to t1-05
and t1-07 is the same as the
information showed on the motor
nameplate.
Reset the parameters.