74 Operation
Table2 Alarm Messages - Summary
Alarm Message MMU SCC Special Functions
InputFail X
DCGround Fault X L,S
DCCapacitor Fuse Blown X D,F, S
BatteryCB Open X,R S
BatteryDischarging X,R R S
LowBattery Warning X,R R S
LowBattery Shutdown X D,F, L, S
DCOver-Voltage Shutdown X D, F, L, S
LoadOn Bypass X,R
AutoTransfer to Bypass E D, F
AutoRetransfer Primed X
ManualReset/Retransfer X
StaticSwitch Unable X S
BypassNot Available X
BypassPhase Sequence Wrong X
InputCurrent Unbalanced E
ControlPower Fail X,R X L,S
OutputOver/Under Frequency X L, S
OutputUnder-Voltage X D, F, L, S
OutputOver-Voltage X D, F, L, S
Overload X X,R S
OverloadTransfer X D,F, L, S
InverterNon-Synchronized X
ModuleN (1-6) Off Line R X D
OverloadShutdown X D, F, L, S
ReversePower X D, F, L, S
RectifierFuse Blown X D, F, S
InverterFault X D,F, S
HardwareShutdown X D#
EmergencyOff X X D*,F, S
AmbientOver-Temperature X,R R S
BlowerFailed X S
EquipmentOver-Temperature X S
Over-TemperatureTimeout X D, F
LoadOn UPS R
NewAlarm R R
ModuleSummary Alarm R X S
SystemSummary Alarm R
D= Auto-Dial initiated
D*= A uto-Dial initiated throug hA uto Transfer
toBypass if load is on UPS
D# =A uto-Dial initiated through M odule N (1-6)
off-line
E= message displayed on Status Report screens
F= freezes the History StatusReport memory buffer
L= la tches the displayed alarm mes sage
R= Remote Alarm Contact(optional on MMU)
S= Summary Alarm (System orModule) initiated
X = message displayed on Monit or/Mimic screen
and audible alarm
DISCONTINUED
PROD U C T