Shutdown Messages; Fault Messages And Quick Troubleshooting - inform DSP User Manual

FAULT STATUS:
In some cases controller checks events but can not find solutions, in this case controller decide to stop the
system. For restarting the user must turn off the ON/OFF switch and turn it 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 Charge fault
•
A18 Batt capacity low

3.4 Shutdown messages:

PDSP series UPS can operate interactive with the operating system. You can send commands to UPS from
operating system by using some software .UPS takes these commands and produces some messages listed
below:
WAITING SHUTDOWN :
UPS SHUTDOWN
WAITING RESTART
PAR.SHUTDOWN
CANCEL SHUTDOWN :
Only operating system or a PC computer can send these commands.
If the shutdown command is performed during line failure UPS shutdowns and if the mains is okay UPS starts
again automatically.

3.5 Fault Messages and Quick Troubleshooting :

All alarms contained in PDSP UPS control software are listed in the following table.
ALARM
A1 BYPASS FAILURE
Possible Causes:
A2 INVERTER FAILURE
Possible Causes:
A3 3 OVERTEMP
Possible Causes:
A4 OUT FAILURE
A5 BATT AUT END
A6 CHARGER FAULT
A7 BATTERY LOW
Possible Causes:
A8 OUTPUT HIGH
Possible Causes:
Shutdown command is performed by the operating system and UPS is waiting for
a certain delay for shutdown.
: UPS is in shutdown status
: UPS is shutdown but it is waiting for a certain delay for restart
: In parallel systems the other UPS sends shutdown command and UPS is in
shutdown status.
Shutdown command is cancelled.
Bypass system failure
Bypass components may be faulty, call service.
Inverter digital start system is failed
Internal failure. Call service.
Overtemperature in UPS repeated 3 times in the last 30 mins.
1) Check for UPS air inlets and outlets for any blocking by dust etc.
2) Fan failure
3) Bad UPS location
4) Check for Overload
UPS output voltage is out of tolerance for 3 times in the last 30 mins.
Internal failure. Call service.
Batteries are completely discharged; wait for restoration of electric power
input. This message occurs only at the end of a battery operation during line
failure.
Rectifier could not produce DC bus voltage.
Battery voltage is low. (either positive or negative)
1) UPS operation for long time when line out
2) Charger system failure
Inverter output voltage is higher than the max. tolerated value.
Inverter is stopped.
1) Inverter failure
DESCRIPTION
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