Emerson 540VDC manual Meaning / Possible Causes Troubleshooting Label, Auxpower

Troubleshooting

Table 15 lists the warnings and some troubleshooting steps that may be taken if any of the Warnings in appear.

Table 15 Warnings

Warning	Meaning / Possible Causes	Troubleshooting
Label
AUXPOWER	Auxiliary power supply is low when the system is
	not in OFF mode.	Check / Test Auxiliary power supply
LOW
	Factory-configurable warning
VACUUM	Drag power exceeds 85W *	Check Vitals and Vacuum History
LOW
MISER HIGH	Miser voltage is higher than 2V	Calibrate board
RUNOUT	Runout is higher than 2.0 mil.*	Check Vitals and Runout History
HIGH
PWR SPLY	Power supply for PPMC/PCMC is lower than 21V.	Power supply for PPMC/PCMC is lower
VOLT LOW		than 21V
VIB	VIB inoperative while enabled	Check VIB cable connections and wiring
INOPERATIVE
OVERSPEED	Speed is higher than the Max Speed	Have Certified Service personnel check
		software settings
SET TIME/	Time and date have not been set	Set Time/Date in Menu>View>Time/Date
DATE

* Warnings of this nature should be monitored and may be used to schedule preventive maintenance.

If Warnings persist, contact your local Liebert representative or contact Liebert Services at 800-543- 2378. You may also visit the Liebert Web site for information at www.liebert.com.

NOTE

A “Standby, Motor Hot” message may be displayed as a result of consecutive and repetitive discharges. This is not a Warning but a normal operating occurrence that may occur due to frequent charging and discharging of system. Once motor cools it will automatically resume operation.

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