fan, please remove it and clean the fan well. Turn on the inverter to check whether the
warning still exists or not.
2. If the warning still exists after step 1, turn off DC switch and AC breaker again, remove
the fan from inverter with screw driver to do cleaning or replacement.
a. Remove the protect baffle of the fan with hex wrench.；
b. Disconnect the cables from fan with screwdriver；
c. Remove the screws from the protect plate on the fan, clear up dust and
sundries on the fan.；
d. If cleaning does not help, please replace the fan with a new one.
3. If the problem still remains, please contact Growatt Service for further solutions.
3.2 warning 02
Fault description:Over temperature.
Analysis：
1. The NTC cable inside the SPF is abnormal.
2. It may be that the machine is placed in an environment where the temperature exceeds
the allowable temperature range of SPF.
3. Internal temperature of component is over 100℃.
Suggestions:
1. Check if the installation environment of the machine is conducive to heat dissipation.
2. Open the front cover of the inverter to check if the NTC cable is well connected.there
are four NTC inside，there is special software can help locate which NTC is broken.
3. If the NTC cable is firm and the error code is still shows on the LCD, replace
the inverter.
4. Check if the air flow of the unit is blocked or the ambient temperature is too high.
3.3 warning 03
Fault description:Battery is over-charged.
Analysis：
1. It may be that the battery voltage is not within the specified range, please refer to user
manual
2. It may be that the connection line of the battery is not firm, or the distance is too far, and
the line is too small, causing excessive impedance on the line when charging, and the
machine detection port voltage is too high.
3. Battery is over-charged.
4. The battery voltage is too high.
Suggestions:
1. Check if the battery voltage is normal by multi-meter.
To Next Page
Loading...
Need help?
General
