62
G2020 Series UPS Installation and Operation Manual
– 94861-004
D) Air Filters
Air filters can be obtained in bulk quantities from Toshiba International Corporation. Use only air filters
specified by Toshiba.
Table 7-2 Replacement Air Filters
UNIT
Toshiba Part Number
Quantity
500kVA
T90-AF-20x30x1
1 (Left Door)
65905
1 (Right Door)
750kVA
T90-AF-15x30x1
2 (Left Door)
65905
1 (Right Door)
8
FAULT CODES
This section covers fault codes, their description and required action at time of error.
In the event of a fault occurring:
A) Verify and record the occurrence of the alarm. Note details of alarm message displayed on the LCD display panel.
Contact Toshiba International Corporation at 1-877-867-8773.
B) If a circuit breaker (MCCB) has tripped, depress the toggle to reset the breaker before closing it again.
Table 8-1 Fault Codes
Code
indication
(Note 3)
LCD Screen Status
Message
Meaning
Recommended
Action
Buzzer
External relay
contact
(Note 1)
Failure
lamp
(Note 2)
UA801
AC INPUT
VOLTAGE OUT OF
RANGE
Input line voltage is out of the
specific range.
CHECK INPUT
POWER SOURCE
Intermittent
sound
AC input
abnormal
-
UA802
AC INPUT
FREQUENCY OUT
OF RANGE
Input line frequency is out of the
specified range.
CHECK INPUT
POWER SOURCE
Intermittent
sound
AC input
abnormal
-
UA803
AC INPUT PHASE
ROTATION ERROR
Input line power conductors are not
wired in a proper phase sequence.
CHECK INPUT
POWER SOURCE
Intermittent
sound
AC input
abnormal
-
UA804
CONVERTER OPE.
INHIBITED
The converter interlock is active.
-
Intermittent
sound
-
-
UA805
INVERTER
OVERLOAD
The output load current has
exceeded 105% of the rated current.
WARNING:
DECREASE
LOAD
Intermittent
sound
Overload
-
UA806
INVERTER
OVERLOAD
The output load current has
exceeded 110% of the rated current.
WARNING:
DECREASE
LOAD
Intermittent
sound
Overload
-
UA807
INVERTER
OVERLOAD
The output load current has
exceeded 125% of the rated current.
WARNING:
DECREASE
LOAD
Intermittent
sound
Overload
-
UA808
INVERTER
OVERLOAD
The output load current has
exceeded 150% of the rated current.
WARNING:
DECREASE
LOAD
Intermittent
sound
Overload
-
UA810
INVERTER
OVERLOAD
Short time over-current has
exceeded 150% of the rated current
WARNING:
DECREASE
LOAD
Intermittent
sound
Overload
-
UA812
BYPASS VOLTAGE
OUT OF RANGE
Bypass line voltage is out of the
specific range.
CHECK BYPASS
INPUT
Intermittent
sound
Bypass Input
Abnormal
-
UA813
BYPASS PHASE
ROTATION ERROR
Bypass line power conductors are
not wired in a proper phase
sequence.
CHECK BYPASS
INPUT
Intermittent
sound
Bypass Input
Abnormal
-
UA814
BYPASS
FREQUENCY OUT
OF RANGE
Bypass line frequency is out of the
specific range.
CHECK BYPASS
INPUT
Intermittent
sound
Bypass Input
Abnormal
-
UA815
TRANSFER
INHIBITED
Transfer to bypass is not available
due to bypass abnormality.
-
Intermittent
sound
-
-
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