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15.3 Restoring UPS Operation
Contact Toshiba in the event of malfunction or fault.
This UPS should be repaired only by authorized Toshiba service
personnel. Servicing by untrained personnel may extend the fault or
result in electric shock or personal injury.
Do NOT attempt to modify or relocate the UPS.
Electric shock, personal injury or fault may result if personnel other than
trained Toshiba technician attempt to modify or relocate the UPS. Be
sure to contact Toshiba if you need modifications or if you need to
relocate the UPS.
Do not open the front and/or rear panels.
WARNING
The parts inside carry energy-high current. Touching them may result in
electric shock, burns or fault.
This section describes the procedure to restore UPS operation. Table 28 shows an example in which the
UPS is restored after a trip fault occurred on inverter over current with the message "INV. OC."
Table 28 - Restoring UPS Operation (Example).
Step Procedure LCD/LED Status
1 Check the LCD
screen.
Also check other fault
data screens with
scroll buttons and
on the graphic
panel.
2 *Remove the memory
card in the panel and
insert a new memory
card.
( Optional )
3 Contact Toshiba. Follow the directions given by the service personnel.
In the case of other faults as well, restore the UPS by doing the following:
(1) Check the nature of the fault on the LCD screen.
(2) Contact Toshiba.
(3) Follow the directions given by Toshiba service personnel.
Note: * before removing the memory card, always verify the memory card LED shown is off.
BATTERIES
AC
SWITCH
UPS
BYPASS
DISCHARGE
FLOAT CHARGE
EQUAL CHARGE
AC INPUT
~
CONVERTER
~
INVERTER
AC OUTPUT
BYPASS INPUT
FAULTS & WARNINGS
1 INV. OC
09-09-02 08:05:30
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