TOSHIBA

6.12.2Line-2 System Fault Messages

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

LINE-2 MESSAGES

Display Message

Translation

DCOC

DC Over-current

DCUB

DC Unbalanced

DCOV

DC Over-voltage

OH

Overheat (internal)

OL

Output Overload

VOUV

Inverter Under-voltage

VOOV

Inverter Over-voltage

6.12.3Line-3 System Messages

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

6.12.4Line-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.

 

 

LINE-4 MESAGES

 

Displayed Message

 

 

Translation

 

 

 

 

 

 

PHEI

 

 

Displayed when Input Phase rotation has been wired

 

 

 

in a counter-clockwise rotation.

 

 

 

 

 

I/O NOT SYNCHRONIZE

 

 

Displayed when input and output frequencies are not

 

 

 

synchronized. (Abnormal)

 

 

 

 

 

* AUTOTRANSFER *

 

 

Displayed when Auto-transfer to Bypass is active (i.e.

 

 

 

current limit reached). (Abnormal)

 

 

 

 

 

* LOW BATTERY *

 

 

Displayed when battery voltage is low (abnormal) or

 

 

 

the UPS batteries have failed self-diagnostic test.

 

 

 

 

(Abnormal)

 

* UPS OL: REDUCE LOAD *

 

 

Displayed when UPS has tripped due to an overload

 

 

 

condition. (Abnormal)

 

 

 

 

 

* DCOC *

 

 

Displayed when the UPS has an internal failure.

 

 

 

(Abnormal)

 

 

 

 

 

* DCOV *

 

 

Displayed when the UPS has an internal DC bus

 

 

 

over-voltage. (Abnormal)

 

 

 

 

 

* DCUB *

 

 

Displayed when the UPS has an internal DC bus

 

 

 

unbalance referenced to Neutral. (Abnormal)

 

 

 

 

 

* OL *

 

 

Displayed when UPS has tripped due to an overload

 

 

 

condition. (Abnormal)

 

 

 

 

 

* FUSE *

 

 

Displayed when an internal transistor fuse opens.

 

* INOV *

 

 

Displayed when inverter output over-voltage has

 

 

 

occurred. (Abnormal)

 

 

 

 

 

* INUV *

 

 

Displayed when inverter output under-voltage has

 

 

 

occurred. (Abnormal)

 

 

 

 

 

* BATT. OH *OR MCCB-B OPEN

 

Displayed when the optional battery over-temp

 

sensor has activated, or if the external battery

 

 

 

 

disconnect is open. (Verify TB3-5, 6)

 

* MM/DD/YY (DAY) HH:MM *

 

 

Displayed when none of the above abnormal

 

 

 

conditions are present. (Normal)

 

 

 

 

 

* TRANSFER INHIBITED *

 

 

Displayed when key switch position is changed and

 

 

 

frequency is not synchronized. (Abnormal)

 

 

 

 

 

* ENTER FOR DETAILS *

 

 

Displayed when a Fault or Faults have occurred.

 

 

 

(Abnormal)

 

 

 

 

4200FA CT/XT User’s Manual

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Toshiba 4200FA CT/XT Line-2 System Fault Messages, Line-3 System Messages, Line-4 System Messages, Dcoc, Dcov, Dcub, Fuse

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