Hybrid Inverter
User Manual
7 Package, Transportation and Storage
89
Check item
Fault description
Solution
exceeds allow range.
2. Check whether grid wiring abnormal.
3. Restart the inverter to see if the fault still
exists. If it still exists, contact service.
Grid-tied phase lock
abnormal
Phase lock abnormal
1. Check whether grid abnormal.
2. Check whether grid wiring abnormal.
3. Restart the inverter to see if the fault still
exists. If it still exists, contact service.
Overload alarm
When off-grid, the
load exceeds rated
load.
Check whether the load exceeds 0.95 of the
rated power.
Inner sensor abnormal
Inner temperature
sensor sampling
abnormal.
1. Check whether the ambient temperature is
low, if it is low, automatic recovery after
operating for a while.
2. Restart the inverter to see if the fault still
exists. If it still exists, contact service.
DRM alarm
Powered off after
DRM enabled.
Normal, no processing.
DC power alarm
Load power exceeds
DC power.
1. Check whether the total power of the battery
and PV is less than the load power.
2. Restart the inverter to see if the fault still
exists. If it still exists, contact service.
Fan fault alarm
Fan abnormal.
1. Check whether the fan is blocked.
2. Restart the inverter to see if the fault still
exists. If it still exists, contact service.
Battery inner alarm
Alarm instruction
from BMS.
Check code position question from BMS on
APP.
Heat sink
over-temperature
alarm
Temperature is too
high to reach the rate
drop point.
1. Check whether the environment temperature
is too high, try to lower the ambient
temperature.
2. Make sure that the inverter is installed
