Sungrow SG250HX, User Manual

Page: 95 / 109

85
F Fa au ulltt c co od de e
D De essc crriip pttiio on n
C Ch he ec ckk m me etth ho od d
040-042
Device anomaly
Wait for the inverter to return to normal.
Disconnect the AC and DC switches, and
reconnect the AC and DC switches 15
minutes later to restart the inverter.
If the fault still exists, contact SUNGROW.
043
Low ambient
temperature, the
ambient temperature is
lower than the
temperature at which
the inverter can
operate normally.
Stop and disconnect the inverter. Restart
the inverter when the ambient temperature
falls within the operation temperature range.
044-046
Device anomaly
Wait for the inverter to return to normal.
Disconnect the AC and DC switches, and
reconnect the AC and DC switches 15
minutes later to restart the inverter.
If the fault still exists, contact SUNGROW.
047
PV input configuration
abnormal, PV input
mode error
Stop and disconnect the inverter. Reset the
input mode of the PV array.
048-050
053-056
059-060
Device anomaly
Wait for the inverter to return to normal.
Disconnect the AC and DC switches, and
reconnect the AC and DC switches 15
minutes later to restart the inverter.
If the fault still exists, contact SUNGROW.
070 Fan alarm
1. Check whether the fans operate normally
and are blocked by sundries. If they are
blocked, clear the sundries.
2. If a fan does not operate normally, stop
and disconnect the inverter to replace the
fan.
071 AC-side SPD alarm
Check the SPD, and replace it if necessary.
072 DC-side SPD alarm
076
Device anomaly
Wait for the inverter to return to normal.
Disconnect the AC and DC switches, and
reconnect the AC and DC switches 15
minutes later to restart the inverter.
If the fault still exists, contact SUNGROW.
User Manual 9 Troubleshooting and Maintenance