22
Manual
www.kraun.it
5.5.5. fault mode
leD indications on front panel in fault mode are as following:
fault mode(lcD interface on which the fault code display)
when UPS has fault, the fault leD lights and the buzzer beeps. UPS will turn to fault mode when over-
load fault, inverting fault and over-temperature fault happen. UPS cuts off the output and lcD display
fault codes. at the moment, you can press the mute key to make the buzzer stop beeping temporarily
to wait for maintenance. You can also press the on/off key to shut down the UPS when confirm that
there is no serious fault.
nOte: as for corresponding information of the fault code, please refer to fault code information Table
in appendix.
nOtice:
•
The following process must be performed if UPS is connected with generator:
•
first turn on generator, after it runs stably connect output power of generator to UPS input terminal, then
turn on UPS. after UPS turned on, please connect load one-by-one.
•
It is recommended that the generator capacity is as twice as UPS rated capacity
•
You’d better not use the eco mode when the quality of the input ac mains is not good.