Table 2

Alarm Messages - Summary

 

 

 

 

 

 

 

 

 

Alarm Message

MMU

SCC

Special Functions

Input Fail

 

X

DC Ground Fault

X

L, S

DC Capacitor Fuse Blown

X

D, F, S

Battery CB Open

X, R

S

Battery Discharging

X, R

R

S

Low Battery Warning

X, R

R

S

Low Battery Shutdown

X

D, F, L, S

DC Over-Voltage Shutdown

X

D, F, L, S

Load On Bypass

X, R

Auto Transfer to Bypass

E

D, F

Auto Retransfer Primed

X

Manual Reset/Retransfer

X

Static Switch Unable

X

S

Bypass Not Available

X

Bypass Phase Sequence Wrong

X

Input Current Unbalanced

E

Control Power Fail

X, R

X

L, S

Output Over/Under Frequency

X

L, S

Output Under-Voltage

X

D, F, L, S

Output Over-Voltage

X

D, F, L, S

Overload

 

X

X, R

S

Overload Transfer

X

D, F, L, S

Inverter Non-Synchronized

X

Module N (1-6) Off Line

R

X

D

Overload Shutdown

X

D, F, L, S

Reverse Power

X

D, F, L, S

Rectifier Fuse Blown

X

D, F, S

Inverter Fault

X

D, F, S

Hardware Shutdown

X

D#

Emergency Off

X

X

D*, F, S

Ambient Over-Temperature

X, R

R

S

Blower Failed

X

S

Equipment Over-Temperature

X

S

Over-Temperature Timeout

X

D, F

Load On UPS

R

New Alarm

 

R

R

Module Summary Alarm

R

X

S

System Summary Alarm

R

D = Auto-Dial initiated

F = freezes the History Status Report memory buffer

D* = Auto-Dial initiated through Auto Transfer

L = latches the displayed alarm message

to Bypass if load is on UPS

R = Remote Alarm Contact (optional on MMU)

D# = Auto-Dial initiated through Module N (1-6)

S = Summary Alarm (System or Module) initiated

off-line

 

X = message displayed on Monitor/Mimic screen

E = message displayed on Status Report screens

and audible alarm

 

74

Operation

DISCONTINUED

 

 

PRODUCT

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Image 80
Liebert Series 600T manual Alarm Message, Special Functions