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11.7 Bypass Breaker Reset
CAUTION
！
Always power the UPS off before resetting the bypass breaker. Failure to do
so can cause electric shock. Be careful to avoid injury or electric shock.
If the bypass breaker trips, the red ALARM indicator lights and output from the output
terminals stops.
Proceed as follows to reset the bypass breaker.
①
Stop the inverter by pressing and holding it for 1 second, and then set
MAIN MCCB to “OFF”.
②
Examine if there are neither a problem nor a trouble in the equipment of the load .
③
Press the bypass breaker on the back panel of the UPS.
④
Set MAIN MCCB to “ON”, and then start the UPS by pressing and holding it
for 1 second.
For details about UPS startup, see §9.1 “UPS Startup (Normal Operation)”.
UPS back panel
Note
・
If you reset the bypass breaker while the UPS is powered on, the red ALARM indicator will
remain lit until you power the UPS off. Always power the UPS off before resetting the bypass
breaker.
Bypass breaker
This completes the bypass breaker reset.