R90 ONLINE USER’S MANUAL
UNINTERRUPTIBLE POWER SUPPLY (UPS)
Xtreme Power Conversion Corporation (Rev 3/7/14)
Page 54
Display Messages
This section lists the event and alarm messages that the UPS might display. The messages are listed in
alphabetical order.
Operational Status and Mode(s)
ITEM
CONTENT DISPLAYED
1
Initialized
2
Standby Mode
3
No Output
4
Bypass Mode
5
Utility Mode
6
Battery Mode
7
Battery Self-diagnostics
8
Inverter is starting up
9
ECO Mode
(
Note:
ECO mode is not available in parallel system configurations.)
10
EPO Mode
11
Maintenance Bypass Mode
12
Fault Mode
Alarm Information
EVENT LOG
UPS ALARM WARNING
BUZZER
LED
1
Rectifier Fault
Continuously
Fault LED on
2
Inverter fault (incl Inverter bridge shorted)
Continuously
Fault LED on
3
Inverter Thyristor short
Continuously
Fault LED on
4
Inverter Thyristor broken
Continuously
Fault LED on
5
Bypass Thyristor short
Continuously
Fault LED on
6
Bypass Thyristor broken
Continuously
Fault LED on
7
Fuse broken
Continuously
Fault LED on
8
Parallel Relay fault
Continuously
Fault LED on
9
Fan fault
Continuously
Fault LED on
10
Fan Power fault
Continuously
Fault LED on
11
Auxiliary Power fault
Continuously
Fault LED on
12
Initialization fault
Continuously
Fault LED on
13
P-Battery Charger fault
Continuously
Fault LED on
14
N-Battery Charger fault
Continuously
Fault LED on
15
DC Bus Over Voltage
Continuously
Fault LED on
16
DC Bus Below Voltage
Continuously
Fault LED on
17
DC Bus Unbalance
Continuously
Fault LED on