YASKAWA T1000A Technical Manual page 314

7.1 Section Safety
Frequently switching the drive power supply to stop and start the motor can damage the drive.
To get the full performance life out of the electrolytic capacitors and circuit relays, refrain from switching the drive
power supply off and on more than once every 30 minutes. Frequent use can damage the drive. Use the drive to stop
and start the motor.
Do not operate damaged equipment.
Failure to comply could result in further damage to the equipment.
Do not connect or operate any equipment with visible damage or missing parts.
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NOTICE
YASKAWA ELECTRIC SIEP C710616 30B YASKAWA AC Drive T1000A Technical Manual