Line-2 System Fault Messages; Line-3 System Messages; Line-4 System Messages - Toshiba 4200FA CT/XT User Manual

6.12.2 Line-2 System Fault Messages

Line-2 fault messages are automatically displayed when a system fault is detected.

6.12.3 Line-3 System Messages

Line–3 messages show load current information, and user selected instructions.

6.12.4 Line-4 System Messages

Line-4 messages reflect the UPS operating conditions. Warning messages will be
displayed when an abnormal operating condition occurs. The following chart shows the
allowable Line-4 messages.
Displayed Message
PHEI
I/O NOT SYNCHRONIZE
* AUTOTRANSFER *
* LOW BATTERY *
* UPS OL: REDUCE LOAD *
* DCOC *
* DCOV *
* DCUB *
* OL *
* FUSE *
* INOV *
* INUV *
* BATT. OH *OR MCCB-B OPEN
* MM/DD/YY (DAY) HH:MM *
* TRANSFER INHIBITED *
* ENTER FOR DETAILS *
4200FA CT/XT User's Manual
TOSHIBA
LINE-2 MESSAGES
Display Message
DCOC
DCUB
DCOV
OH
OL
VOUV
VOOV
LINE-4 MESAGES
Displayed when Input Phase rotation has been wired
in a counter-clockwise rotation.
Displayed when input and output frequencies are not
synchronized. (Abnormal)
Displayed when Auto-transfer to Bypass is active (i.e.
current limit reached). (Abnormal)
Displayed when battery voltage is low (abnormal) or
the UPS batteries have failed self-diagnostic test.
(Abnormal)
Displayed when UPS has tripped due to an overload
condition. (Abnormal)
Displayed when the UPS has an internal failure.
(Abnormal)
Displayed when the UPS has an internal DC bus
over-voltage. (Abnormal)
Displayed when the UPS has an internal DC bus
unbalance referenced to Neutral. (Abnormal)
Displayed when UPS has tripped due to an overload
condition. (Abnormal)
Displayed when an internal transistor fuse opens.
Displayed when inverter output over-voltage has
occurred. (Abnormal)
Displayed when inverter output under-voltage has
occurred. (Abnormal)
Displayed when the optional battery over-temp
sensor has activated, or if the external battery
disconnect is open. (Verify TB3-5, 6)
Displayed when none of the above abnormal
conditions are present. (Normal)
Displayed when key switch position is changed and
frequency is not synchronized. (Abnormal)
Displayed when a Fault or Faults have occurred.
(Abnormal)
Translation
DC Over-current
DC Unbalanced
DC Over-voltage
Overheat (internal)
Output Overload
Inverter Under-voltage
Inverter Over-voltage
Translation
45