91
Chapter 6 Fault Shutdown and Troubleshooting
6.1 LED Fault and Troubleshooting
The inverters have four LED lights on the front of the units. Table 6-1
describes the lights during operation.
Table 6-1 Description of LED Light Indicators
LED light
Name
Status
Indication
POWER
Working
power
light
Light
on
PV Energized (control panel starts to
work) and AC no power on
Flash PV no power and AC Power on
Light
off
No Power 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 1.5s)
Light
off
In other operation status or power
supply not working
GRID
Grid
status
indication
light
Light
on
Grid is normal
Flash Grid fault (light up 0.5s, light off 1.5s)
Light
off
Power supply not working
FAULT
Fault
status
indication
light
Light
on
Indicates a Fault
Slow
flash
Indicates Alarm (light up 0.5s, light
off 2s)
Fast
flash
Protective action (light up 0.5s, light
off 0.5s)
Light
off
No fault or power supply not working
ALL
Upgrade
status
flash
LCD or DSP upgrading
Summary of Contents for SCH Series
Page 2: ......
Page 4: ......
Page 43: ...39 Figure 3 25 AC Output Cable Connection Distributed Wire box L1 L2 L3 ...
Page 45: ...41 Figure 3 27 AC Output Cable Connection Centralized Wire box Ver 2 ...
Page 58: ...54 Figure 4 1 System setting ...
Page 81: ...77 5 4 2 6 Others The REF column is reference to Table 5 7 Enable functions ...
Page 90: ...86 WiFi to Inverter ...
Page 92: ...88 ...
Page 93: ...89 5 5 History There are 2 submenus in the History menu Alarm and Running Status ...
