Emerson Epsilon Eb Digital Servo Drive, 400501-05 Fault Descriptions, Power Up Test, NVM Invalid

Diagnostics and Troubleshooting

Display	Fault	Action to Reset	Bridge Disabled
	Encoder State	Power	Yes
	Encoder Hardware	Power	Yes
	Motor Overtemp	Cool down,	Yes
		Button or Input
	Overspeed	Button or Input	Yes
	Max Following Error	Button or Input	Yes
	(Position mode)
	Travel Limit +/-	Auto	No
		Normally "On" for one
	All "On"	second during power-	Yes
		up

Fault Descriptions

Power Up Test

This fault indicates that the power-up self-test has failed. This fault cannot be reset with the reset command or reset button.

NVM Invalid

At power-up the drive tests the integrity of the non-volatile memory. This fault is generated if the contents of the non-volatile memory are invalid.

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