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Condition LCD Display Message
Overload Shutdown ON BYPASS
OVERLOAD 150%
SHUTDOWN...
VERSION: XXXXXXX
UPS Output Short Circuit ON BYPASS
SHORT CIRCUIT!
SHUTDOWN...
VERSION: XXXXXXX
Overtemperature ON BYPASS
HIGH TEMP!
SHUTDOWN...
VERSION: XXXXXXX
DC BUS Overvoltage ON BYPASS
DC BUS O.V.P.!
SHUTDOWN...
VERSION: XXXXXXX
DC BUS Failure ON BYPASS
DC BUS FAIL!
SHUTDOWN...
VERSION: XXXXXXX
INVERTER ON WARNINGS
When the inverter is ON, the LCD Display may show any one of the following warnings:
Condition LCD Display Message
UPS Output Overload OVERLOAD 110%
UPS Charger Failure CHARGER FAILURE
Abnormal Input Frequency FREQUENCY ERROR
Abnormal Input Phase PHASE ABNORMAL!
Battery is Depleting* ON BATTERY
Battery Charge is Nearly Depleted* BATTERY LOW
* During a prolonged blackout, users should save files and shut down connected equipment.
The “BATTERY LOW” message indicates the UPS's batteries are nearly out of power and UPS shut down is imminent.
OPERATION UNDER SHUTDOWN
Your UPS will shut down and the LCD will display a message if it detects one of the following conditions. Note: For all conditions, the “Input,”
“Output” and “Bypass” LEDs will be illuminated.
Condition LCD Display Message
R/S/T Inverter Output Failure ON BYPASS
R OUTPUT FAIL!
SHUTDOWN...
VERSION: XXXXXXX
Low Battery BYPS OFF NO O/P
LOW BATTERY!
SHUTDOWN...
VERSION: XXXXXXX
Remote Shutdown BYPS OFF NO O/P
REMOTE SHUTDOWN
SHUTDOWN...
VERSION: XXXXXXX
Emergency Stop BYPS OFF NO O/P
EMERGENCY STOP!
SHUTDOWN...
VERSION: XXXXXXX
Operation (Special Conditions)
(continued)
OPERATION OF MANUAL BYPASS SWITCH
Turn this switch to “BYPASS” before performing any maintenance on the UPS with the connected load supported. Connected equipment will receive
filtered AC mains power, but will not receive battery power in the event of a blackout.
SWITCHING UPS TO “BYPASS” MODE
• Press the “OFF” button.
• Turn the “Manual Bypass” Switch clockwise from NORMAL to BYPASS.
• Turn the Main Input Switch Circuit Breaker OFF.
SWITCHING UPS TO “NORMAL” MODE
• Turn the Main Input Switch Circuit Breaker ON.
• Turn the “Manual Bypass” Switch counterclockwise from BYPASS back to NORMAL.
• Press the “ON” button.