APC Silcon DP300E Series - Manual (Page 27)

27 User Guide Silcon DP300E Series 480V 400-500kVA
7OA0004 US rev. 02
Alarms
6.6 Possible alarms
Possible alarm
1. Peak current limiter active
2. Bypass power supply fault
3. Delta current limiter active
4. Fan fault
5. High DC warning
6. High DC shutdown
7. Off button pushed
8. Synchronization error
9. Inverter voltage error
10. Parallel sync. error
11. Inverter current limiter
active
12. Overload Load is over
100%
13. Second power supply fault
14. Internal power supply fault
15. Battery MCB is off
16. ** Q004 off **
17. ** Q003 on **
18. ** Q002 off **
19. ** Q001 or Q010 off **
Description
Peak current limiter has
been activated and UPS
switched to bypass opera-
tion. System overloaded
Fault in redundant PSU
for bypass. UPS has still
100% performance and can
operate in all modes
Input current limiter has
been activated and UPS
switched to bypass opera-
tion
Blocked or faulty fan
Switching off big output load
Fault in UPS
Off button or emergency
power down activated
The UPS can’t synchronize
to the input frequency
Inverter average voltage out
of limits (normal message
during starting up/switching
off the system)
Parallel UPS’s are not able
to synchronize
Overload on inverter
Overload on UPS
Fault in UPS
(Only in systems >160kW)
Fault in UPS. Only bypass
operation possible
Battery MCCB switch not
closed or released.
Position of output switch for
UPS in parallel
Position of external bypass
switch
Position of UPS output
switch
Position of UPS input switch
Action
Check for blown
fuses in your
installation
Call for assistance
Check for overload.
If repetitiv – call for
assistence
Remove blocking or
call for assistance
If repetitive reduce the
load change
Call for assistance
–
Check if phase
rotation of main input
voltage is correct – if
OK call for assistance
–
Check external
parallel cables
Call for assistance
Reduce UPS output
load
Reduce UPS output
load
Call for assistance
Call for assistance
Close MCCB.
If released again
– call for assistance
–
–
–
–