Sungrow SG2K5TL, Руководство пользователя

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9
Troubleshooting
9.1
Troubleshooting of LED Indicator
9.1.1
Troubleshooting of LED Indicator
Phenomenon Causes Troubleshooting
LED indicators
and LCD cannot
be turned on 1. The polarity of DC cables is
opposite.
2. The DC input voltage is too
slow or there is no DC input
voltage.
1. Disconnect inverter from its dual power
supplies.
2. Check the polarity of DC input.
Reconnect DC cables if necessary.
3. Wait for DC voltage to return to the
operating voltage.
4. If the phenomenon still exists, contact
Sungrow service dept..
“RUN” indicator
and LCD turn on
and turn off after
a while
irregularly DC voltage supplied is not
stable. 1. Wait for DC voltage to return to the
operating voltage.
2. If the phenomenon still exists, contact
Sungrow service dept..
“RUN” indicator
flashes regularly There is not sufficient DC
power. 1. Wait for DC power to recover.
2. If the phenomenon still exists, contact
Sungrow service dept..
“RUN” indicator
goes out Inverter may be in “standby”,
“startup” or “key-stop” state. 1. Wait a while for inverter entering into
“Run” state.
2. Perform “start” command in the LCD
screen.
3. If the phenomenon still exists, contact