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Emerson SERIES 600T, Series 600 user manual Faults-causes and responses, BUS Current Offset

Models: Series 600 SERIES 600T

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Troubleshooting

Faults. Table 17 - Troubleshooting describes actions that may alleviate the condition or provide valuable information for technical support.

Table 16 Faults—causes and responses

 

 

Operator

Auto

Auto

Fault Label

Meaning / Possible Causes

Clear*

Clear

Shutdown

 

 

 

 

 

GROUND FAULT

Ground fault current out of range.

X

 

 

 

 

 

 

 

HW BUS OV

HW overvoltage. (hardware protection)

X

 

 

 

 

 

 

 

X PHASE OC

AC phase overcurrent. x = A, B, C.

X

 

 

 

 

 

 

 

IGBT OVRTEMP

IGBT overtemperature.

X

 

 

 

 

 

 

 

VACUUM FAULT

Drag power exceeds 125W.

 

 

X

 

 

 

 

 

RUNOUT FAULT

Runout higher than 2.9mil.

 

 

X

 

 

 

 

 

MISER FAULT

Miser voltage is higher than 5V.

 

 

X

 

 

 

 

 

BEARING

Magnetic bearing fault.

 

 

X

 

 

 

 

 

AUX POWER LOW

Auxiliary power supply voltage is low when the

X

 

 

system is in Off mode. Configurable fault.

 

 

 

 

 

 

INTER PRCR COMM

Communication error with secondary DSP. System

 

X

 

reboots.

 

 

 

 

 

 

PWR SPLY VOLT

Power supply voltage is lower than 19V. (Speed

X

 

X

dependent; auto shutdown at high speed)

 

 

 

 

 

UNDEF PDP INT

Undefined PDP interrupt.

X

 

 

 

 

 

 

 

CURRENT OFFSET

AC motor current sensor error.

X

 

 

 

 

 

 

 

SW OV

DC bus voltage is higher than the threshold, which is

X

 

 

service-configurable.

 

 

 

 

 

 

CHECKSUM

Calculated checksum does not match the stored

S

 

 

checksum.

 

 

 

 

 

 

CONTACTOR TIME OUT

Bus voltage/current is not stable while trying to close

X

 

 

or open contactor.

 

 

 

 

 

 

CONTACTOR CLOSE FAIL

Contactor failed to close on startup.

X

 

 

 

 

 

 

 

FAN OPEN

Fan open circuit or disconnected.

X

 

 

 

 

 

 

 

FAN SHORT

Fan short circuit.

X

 

 

 

 

 

 

 

PUMP OPEN

Pump open circuit or disconnected.

X

 

 

 

 

 

 

 

PUMP SHORT

Pump short circuit.

X

 

 

 

 

 

 

 

HW OVERSPEED

Hardware detected overspeed.

X

 

 

 

 

 

 

 

PRECHARGE PROTECTION

Stop PWM when large voltage differential exists

X

 

 

 

between internal and external bus.

 

 

 

BUS CURRENT OFFSET

DC current sensor error.

X

 

 

 

 

 

 

 

S - Indicates a Certified Service Provider will be required to reset system.

NOTE

If a fault recurs after being cleared by the operator, and the condition persists, contact your Liebert technician.

Faults that initiate an AUTOSHUTDOWN include: MISER, RUNOUT, PWR SPLY VOLT (at high speed), and will require Service level and higher to reset.

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Emerson SERIES 600T, Series 600 user manual Faults-causes and responses, BUS Current Offset
Page 93 Page 95

Series 600, SERIES 600T specifications

The Emerson SERIES 600T, as part of the SERIES 600 line, is a sophisticated device designed to meet the demands of industrial automation and control systems. Renowned for its reliability and versatility, the SERIES 600T excels in various applications across multiple sectors, including oil and gas, chemical processing, and power generation.

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