System Mode Messages - Toshiba t1000 Installation And Operation Manual

Display Re-
corded
FBYPER N Bypass Frequency Error – Input
frequency outside of UPS specifi-
cations.
FIER N Input Frequency Error – Input
frequency outside of 45 – 65 Hz
range.
LB N Low Battery – The battery level
has dropped low (about 90% or
less) during operation. Continued
operation in this mode will deplete
battery and cause output shut
down.
OL110 N Overload – UPS is overloaded
(110% and above) Unit will switch
to bypass operation or shut down
if no action is taken.
REYEERR N Communication Error between
RemotEye and UPS.
RS232ERR N Communication Error at Service
Port.
REYEUER N Communication Error at LAN.
VDCUVBT N DC Bus Undervoltage During Bat-
tery Test.
VIOV N Input Overvoltage – Input voltage
exceeds UPS specifications.
VIUV N Input Undervoltage – Input voltage
less than UPS specifications.

16.5 System Mode Messages

A UPS Mode message is generated when the UPS changes operating mode. The following tables list the
possible operating modes for the UPS.
Display
Backup Backup – Power comes from other than input.
BattTest Battery Test – Battery test in progress.
Bypass Bypass – UPS is offline, power is being provided directly from UPS input.
On–Line On-Line – Input converter and inverter are running (Double conversion mode).
Shutdown Shutdown – No output, DC Bus is charged through Softstart Resistor.
Startup Startup – UPS is starting up.
52
Meaning
UPS in Bypass Mode: UPS turns off bypass
power to the load until bypass frequency returns to
normal. Check bypass frequency.
UPS in Online Mode: UPS switches to BACKUP
mode until Input Frequency returns to normal.
Immediately shut down the load equipment in an
orderly fashion and then press the STOP key.
Shut down excess equipment to reduce load.
Ensure RemotEye is connected to UPS. Call
Toshiba for service.
Call Toshiba for service.
Call Toshiba for service.
Call Toshiba for service.
UPS in On-Line Mode: UPS switches to BACKUP
mode until Input Voltage returns to normal. Check
input power.
UPS in On-Line Mode: UPS switches to BACKUP
mode until Input Voltage returns to normal. Check
input power.
TABLE 16-4: UPS WARNING MESSAGES
Meaning
T1000 Series UPS Installation and Operation Manual – 91074-002
Action