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When the battery test is completed, the previous operation will be resumed and the main
system MONI screen will be displayed. If the battery test detects a low DC battery voltage,
then the message screen will display:
- UPS ON-LINE -
OUTPUT VOLTAGE=208 V
CURRENT=38/55/48%
* LOW BATTERY *
If the battery test passes then the following screen message will be displayed:
- UPS ON-LINE -
OUTPUT VOLTAGE=208 V
CURRENT=38/55/48%
DATE (DAY) TIME
If the inverter is not operating when the BATT TEST key is press then the function will be
inhibited and the following screen message will be displayed:
- BATTERY TEST -
BATTERY VOLTAGE=324V
BATT. TEST INHIBITED
NOTE:
After start-up, the battery test function is inhibited for 20-min. (only one battery test can be done
approximately every 20-min.).
6.18.7 BUZZ STOP Key
The “BUZZ STOP” key has no effect on the LCD screen display. However if the UPS alarm
buzzer is on, pressing this key will silence it. If the alarm buzzer is not on, pressing this key
has no effect.
6.18.8 RESET Key
The RESET key function is used to 'Reset' the LCD display board software should a
system lock-up occur. The reset does not reset the variables in the memory. Use of the
RESET function is very important when a fatal communication error has occurred. Press
and hold the RESET key for a period of at least five seconds to reset the display software.
The 'display board' to 'main board' interface will begin a new communication sequence. If a
communication response is not received by the 'display board' from the 'main board' within
15 seconds, a fatal time-out occurs and the following system message displays:
- DISPLAY ERROR -
MAIN COMM. ERROR
PRESS & HOLD RESET KEY
If the 'Reset' function is successful then the display will begin from the 'Start-up screen' and
then change to the 'main monitor' screen.
4200FA CT/XT User’s Manual 53