3-1 Precautions before Operation 3Maintenance Operations 3-1 Precautions before Operation Before operation, check the following items: • There is no incorrect wiring. Incorrect wiring may result in damage or malfunction of the Regenerative Braking Unit. 3 • Check for grounding of any terminal other than the ground terminal. Improper grounding may result in damage or malfunction of the Regenerative Braking Unit. • Check for any short-circuits caused by a wire scrap or crimp terminal left in the unit after wiring work. A short circuit may result in damage or malfunction of the Regenerative Braking Unit. Maintenance Operations • There is no short circuit or ground fault.
A short circuit or ground fault may result in damage or malfunction of the Regenerative Braking Unit. 3-1