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RECTIFIER START :
At start up the UPS controller board check for input voltage, frequency, battery voltage, for starting,
if these parameters are normal then UPS starts.
INVERTER START :
If the inverter stops controller board tries to start again, during inverter start this message appears
on first line of LCD PANEL.
MAINT SWITCH ON:
Maintenance bypass switch is connected from input to the output of UPS directly, controller stops
inverter for accidental short circuits between mains voltage and inverter output. If the user turn off
the maintenance switch then the inverter starts again.
EMERGENCY STOP :
If an external EPO switch is installed to system (connected to interface board) ,to stop all UPS parts
(rectifier ,static bypass ,inverter ,etc….) is possible . After pressing EPO switch all parts of the UPS
stops,for restart turn off S1 (inverter input) switch and turn on again.
FAULT STATUS :
In some cases controller checks events but can not find solutions, in this case controller decide to
stop system ,for restart user must be turn off S1 (inverter input) switch and turn on again.
WARNING STATUS :
Some events recorded to log event file stays on LCD PANEL but UPS continues to work, these
messages named as warning messages, user can clear this messages by pressing ENTER key for
3 seconds.
These are:
• A20 Boost charge alert
• A6 Charger fault
• A18 Batt capacity low
Shutdown Messages :
UPS is communicating with operating system, by using softwares that you can send commands to
UPS from operating system .UPS takes these commands and produces some messages. These
are:
WAITING SHUTDOWN :
Shutdown command is performed from operating system and UPS is
waiting for a certain delay for shutdown.
UPS SHUTDOWN : UPS is in shutdown status
WAITING RESTART : UPS is shutdown but it is waiting for a certain delay to restart
PAR.SHUTDOWN :
In parallel system the other UPS send shutdown command and UPS is in
shutdown status.
CANCEL SHUTDOWN : Shutdown command is canceled.
Only operating system or a PC computer can send this commands.
If the shutdown command is performed during line failure UPS shutdown and if the mains is normal
UPS starts again automaticaly.
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