20
Pic - 11
Pic - 12
Pic - 13
Pic – 14
Protection mode fault display
1. Under conditions as voltage too high, current overflow or
inappropriate frequency, the unit will switch off PWM
immediately and relay jump off to enter fault mode as
shown on (Pic-11) to (Pic-16).
A. When Input/ output current overflow, screen displays
Fault Over current (Pic-11)
When over load, screen displays
Fault Over load (Pic-12)
B. When output frequency abnormal, screen displays
Waiting … AC FREQ error (Pic-13)
When Power grid voltage too high / low, screen displays
Waiting … Utility error (Pic-14)
When input voltage abnormal, screen displays
Waiting … MPPT on (Pic-15)
C. When sun set, the unit would shut down and screen
displays as Pic-16
2. When “island effect” is determined, Power Supply will
shutdown. After power grid is restored, a 5-minute
countdown starts. The system will jump to initial mode for
starting once the countdown is complete.
Pic-15
Pic-16
