29
Chapter 4 User Interface
4.1 Description of LCD panel
The CPS SC20KTL-DO/US-480 LCD panel mainly consists of LCD
screen, LED indicator lights, buzzer and 6 keys, as shown in Figure 4-1.
Figure 4-1 LCD panel
Interpretation for the indicator lights is shown in Table 4-1 and function of
the keys is shown in Table 4-2.
Table 4-1 LED Indication
LED light
Name
Status
Indication
POWER
Working
power
light
Light
on
Energized (control panel starts to
work)
Light
off
Power supply not working
RUN
Grid-tied
operation
indication
light
Light
on
In grid-tied power generation state
Flash
Derated running status (light up 0.5s,
light off 1.6s)