84
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.
Shutdown 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
Shutdown 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,
Shutdown 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.
9 Troubleshooting and Maintenance
User Manual
