Emerson 30-200kVA, 50 and 60 Hz, 400V user manual UPS messages, Operator Control Panel and Display

		Operator Control Panel and Display
Table 23	UPS messages
Message		Description / Suggested Action (if any)
Inv. turned Off Manually		Manual Turn Off via front panel
EPO		Emergency Power Off direct access key pressed or external command received
Transfer Confirm		Prompt to press “enter” key to acknowledge that an interrupted load transfer to
		bypass will happen.
Transfer Cancel		Prompt to press “ESC” key to avoid that an interrupted load transfer to bypass will
		happen.
Unit Off Confirm		Prompt to press “enter” key to acknowledge that the UPS will be disconnected from
		other paralleled UPS modules.
System Off Confirm		Prompt to press “enter” key to acknowledge that the all paralleled UPS will be
		disconnected from the load.
Fault Reset		Fault clear direct access key pressed
Alarm Silence		Silence On/Off direct access key pressed
		Inverter failed to turn on when Inverter On direct access key was pressed. This may
Turn On Fail		be as a result of Invalid Operation (Maintenance bypass on) or DC bus or rectifier
		not ready.
Alarm Reset		Fault clear or Silence On/Off direct access key pressed
Bypass Mode		Load supplied from AC input bypass supply.
Normal Mode		Load supplied from Inverter output through double conversion of the AC mains input
		supply.
Battery Mode		Load supplied from Inverter output through double conversion of the Battery supply.
Source share mode		Load supplied from Inverter output through shared double conversion of the AC
		mains input supply and of the Battery supply.
UPS Shutdown		UPS Shutdown, output power-down
Check UPS Output		Inverter off during normal startup (diagnostics information only)
Generator Connected		Generator active signal received. Source share mode may be activated pending
		UPS settings.
BCB open		Battery Circuit Breaker status (open)
BCB closed		Battery Circuit Breaker status (closed)
Battery Float Charging		Battery status (Float charge mode)
Battery Boost Charging		Battery status (Boost charge mode)
Battery Discharging		Battery status (discharge mode)
Battery Period Testing		Automatic periodic battery maintenance discharge test (20% capacity discharge)
Batt. Capacity Testing		User initiated battery capacity discharge test (100% capacity discharge)
Batt. Maint. Testing		User initiated maintenance discharge test (20% capacity discharge)
UPS System Testing		User initiated UPS self test
Inverter in Setting		Inverter starting up and synchronising
Rectifier in Setting		Rectifier starting up and synchronising
MBP-T cabinet Fan Fault		Maintenance bypass cabinet fans fault.
Ext Input TX Overtemp		External Input Isolation Transformer Over Temperature
Ext Output TX Overtemp		External Output Isolation Transformer Over Temperature
Battery Room Alarm		Environment in Battery Room Needs Attention
Rotary Sw. Test Pos.		Rotary switch is in test position.
Rotary Sw. Normal Pos.		Rotary switch is in normal position.
Rotary Sw. Bypass Pos.		Rotary switch is in bypass position.
Rotary Sw. Maint. Pos.		Rotary switch is in maintenance position.
Battery Contactor Open		Battery Contactor Open
Battery Contactor Close		Battery Contactor Closed
Battery Reverse		Connect the battery again and check the wiring of batteries
No Battery		Check the battery and the wiring of batteries

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