Toshiba T1000 Series - Troubleshooting; Troubleshooting Guide

T1000 Series UPS 1000-3000VA Installation and Operation Manual – 94086-001 35
14.5 TROUBLESHOOTING
Table 5 Troubleshooting Guide
Displayed
on LCD
Audible
Alarm
Alarm Description
What You Should Do
Output
Overload
2 Beeps
per
second
The UPS is overloaded (in
Line Mode). Your
equipment needs more
power than the UPS can
provide. The UPS operates
in bypass.
Shut off the least important
equipment connected to the UPS. If
this solves the overload problem,
the UPS will switch from bypass
back to normal operation.
Battery Test
No Beeps
The UPS is doing a battery
test.
No action needed. The UPS will
return to normal operation when it
successfully completes the battery
test.
Over-Charge
Constant
beep
Batteries are overcharged.
Turn off protected loads. Turn off
UPS and Call Service
Low Battery
2 beeps
every 5
seconds
The unit is operating on
Battery Power and will shut
down soon due to very low
battery voltage
The unit will restart Automatically
when acceptable power returns.
On-Battery
1 beep
every 5
seconds
The unit is operating on
Battery Power.
Save your data and perform a
controlled shutdown.
Charger
Failure
Constant
beep
Charger has failed.
Call Service
Over-
Temperature
No Beeps
High ambient Temperature.
Make sure the unit’s fans and vent
holes are not blocked, and make
sure the ambient surrounding
temperature is not above 40 degree
C. If these conditions did not solve
the problem, call service.
Output Short
Constant
beep
Output short circuit
Call Service
High output
Voltage
Constant
beep
High output voltage
Call Service
Low Output
Voltage
Constant
beep
Low output voltage
Call Service
Bus Fault
2 Beeps
per
second
High internal DC bus
Voltage.
Turn off protected loads. Turn off
UPS and Call Service
Site wiring
Fault
1 Beep
per
second
Voltage detected Between
Neutral and Ground
UPS mains connector polarity
Wrong. Rotate the connector. UPS
installed to mains supply without
ground. See page 15 on how to
disable the Site wiring alarm