Toshiba 4200FA Manual De Usuario

 

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The LCD screen is a 4-line by 20-character wide display. The LCD display contains information 
about the operation of the UPS. It should be used in conjunction with the LED display and the 
audible alarms for total system monitoring. The LCD displays certain information only on 
specific lines of the display. The UPS operating mode and conditions determines the 
information shown.  These messages are shown in the following line message charts.  
 
 

Line-1 messages are based on the operating mode. The following chart shows all 
allowable Line-1 messages, which occur while starting up and while in main monitor 
(MONI) screen mode. 

 

Displayed when UPS is in the start-up condition 
or display board is resetting. 

Displayed when the UPS is in Bypass 
Operation. 

Displayed when the inverter is running, and no 
Utility abnormality exists. 

Displayed during abnormal Utility occurrences; 
inverter is supplying power from batteries. (UPS 
shuts down after V (min.) is reached. 

Displayed during power failure if V (min.) is 
reached, an EPO is received, or after 
completion of Start-Up Sequence of the Inverter 
and Bypass is not available. 

Displayed during input power failure. 

 
 

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

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 

 
 

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