Instruction manual

77
Details of Troubleshooting
3
SETTING WIZARD
• Causes related to V/F control, General-purpose magnetic flux vector control/Advanced magnetic flux
vector control
• Causes related to Real sensorless vector control
• Causes related to vector control
The IPM motor test operation is selected
when the IPM motor control (PM
sensorless vector control) should be
selected.
[FR-A700]
Set a value other than "9" in Pr.800 Control method selection.
[FR-F700P]
Set "20" in Pr.800 Control method selection.
[FR-F700PJ]
Set "30" in Pr.800 Control method selection.
Pr. 800
Shorting wire between S1 and SC/PC or
between S2 and SC/PC is disconnected.
Short across terminals S1 and SC/PC and across S2 and SC/PC with
shorting wire.
-
Cause Measures
Related
Parameters
The current limit is activated.
(1) Execute trouble shooting of "Motor current is large"
(2) Increase stall prevention level (Pr. 22, etc.) or limit stall prevention
operation using stall prevention operation selection (Pr. 156).
(2) Pr. 22, 23, 48,
114, 156
Load is heavy. Check the load. -
The motor is not connected securely. Check the motor connection. -
Cause Measures
Related
Parameters
Torque limit is activated.
(1) Execute trouble shooting of "Motor current is large"
(2) Adjust torque limit level (Pr. 22, etc.)
(2) Pr. 22, 803, 812,
813, 814, 815,
816, 817, 874
Load is heavy. Check the load. -
Cause Measures
Related
Parameters
Torque limit is activated.
(1) Execute trouble shooting of "Motor current is large"
(2) Adjust torque limit level (Pr. 22, etc.)
(2) Pr. 22, 803, 812,
813, 814, 815,
816, 817, 874
Load is heavy. Check the load. -
The encoder setting is not an appropriate
value.
Check the setting of encoder rotation direction (Pr. 359) and number of
encoder pulses (Pr. 369) .
Pr. 359, 369
The motor is not connected securely.
(1) Check the motor connection.
(2) Check the phase sequence of the motor.
-
Cause Measures
Related
Parameters