Operating Mode Description - MPP Solar 3KVA User Manual

Main CPU version checking
Secondary CPU version checking

Operating Mode Description

Operation mode
Standby mode
Note:
*Standby mode: The inverter is
not turned on yet but at this
time, the inverter can charge
battery without AC output.
Fault mode
Note:
*Fault mode: Errors are caused
by inside circuit error or external
reasons such as over
temperature, output short
circuited and so on.
Main CPU version U1.01.01
Secondary CPU version U2.01.01
Description
No output is supplied by the
unit but it still can charge
batteries.
PV energy and utility can
charge batteries.
18
LCD display
Charging by utility.
Charging by PV energy.
Charging by utility and PV energy.
No charging.
Charging by utility and PV energy.
Charging by utility.
Charging by PV energy.
No charging.