Table 10 Alarm Messages - Summary - Liebert 1000kVA Operation & Maintenance Manual

Table 10 Alarm messages - summary
Alarm Message
Input Fail
DC Ground Fault
DC Capacitor Fuse Blown
Battery CB Open
Battery Discharging
Low Battery Warning
Low Battery Shutdown
DC Overvoltage Shutdown
Load On Bypass
Auto Transfer to Bypass
Auto Retransfer Primed
Manual Reset/Retransfer
Static Switch Unable
Bypass Not Available
Bypass Phase Sequence Wrong
Input Current Unbalanced
Control Power Fail
Output Over/Under Frequency
Output Undervoltage
Output Overvoltage
Overload
Overload Transfer
Inverter Non-Synchronized
Module N (1-6) Off Line
Overload Shutdown
Reverse Power
Rectifier Fuse Blown
Inverter Fault
Hardware Shutdown
Emergency Off
Ambient Overtemperature
Blower Failed
Equipment Overtemperature
Overtemperature Timeout
Load On UPS
New Alarm
Module Summary Alarm
System Summary Alarm
Battery Exercise
Battery Overtemp
D = Auto-Dial initiated
D* = Auto-Dial initiated through Auto Transfer to
Bypass if load is on UPS
D# = Auto-Dial initiated through Module N (1-6)
off-line
E = message displayed on Status Report screens
MMU SCC Special Functions
X —
X —
X —
X, R —
X, R R
X, R R
X —
X —
— X, R
— E
— X
— X
— X
— X
— X
E —
X, R X
— X
— X
— X
X X, R
— X
X —
R X
X —
X —
X —
X —
X —
X X
X, R R
X —
X —
X —
— R
R R
R X
— R
X —
X —
F = freezes the History Status Report memory buffer
L = latches the displayed alarm message
R = Remote Alarm Contact (optional on MMU)
S = Summary Alarm (System or Module) initiated
X = message displayed on Monitor/Mimic screen
and audible alarm
69
Operation
—
D, L, S
D, F, S
D, S
D, S
D, S
D, F, L, S
D, F, L, S
D
D, F
—
—
D, S
D, L, S
—
D
D, L, S
D, L, S
D, F, L, S
D, F, L, S
D, S
D, F, L, S
—
D
D, F, L, S
D, F, L, S
D, F, S
D, F, S
D#
D*, L, S
D, S
D, S
D, S
D, F
—
—
S
—
—
D, S