YASKAWA GPD-506V

MOTOR STALLS DURING ACCELERATION
ACCELERATION TIME
TOO SHORT?
YES
YES
YES
YES
YES
WITH DRIVE IN
STOPPED CONDITION,
EXTEND ACCELER-
ATION TIME BY
REPROGRAMMING
n018 OR n020 .
NO
NO
NO
NO
NO
LOAD TORQUE
TOO HIGH?
LOAD
INERTIA
LARGE?
CHECK IF SPECIAL
MOTOR IS USED.
V/F SELECTION
APPROPRIATE?
WITH DRIVE IN
STOPPED CONDITION,
SET OPTIMUM V/F BY
REPROGRAMMING
n011 - n017.
LARGE MOTOR
TERMINAL
VOLTAGE DROP?
- USE LARGER WIRE
BETWEEN DRIVE
AND MOTOR.
- SHORTEN WIRING
DISTANCE BETWEEN
DRIVE AND MOTOR.
- DECREASE LOAD
INERTIA.
- EXTEND ACCEL-
ERATION TIME BY
REPROGRAMMING
n018 OR n020 .
- DECREASE LOAD
TORQUE.
- REPLACE DRIVE
WITH ONE OF LARGER
CAPACITY.
6-8
TROUBLESHOOTING CHART 6.2