CPS SCH100KTL-DO-600 - Chapter 6 Fault Shutdown and Troubleshooting; LED Fault and Troubleshooting

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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