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