Troubleshooting; Alarm Contact Is Activated And The Inverter Stops - Hitachi BRD-E2-30K Operation Manual

5. TROUBLESHOOTING

5.1

Alarm contact is activated and the inverter stops

This event may be caused by a large amount of regeneration energy or a frequently
breaking that result in the overheating of the discharging resistor. To prevent this
event, check and correct resistances of the discharging resistors, the number of
dynamic braking units in use, and the deceleration time. This event also occurs
when incorrect connections are made or when the voltage is inappropriate. Follow
the instructions below to check and repair.