If the defaults fail, follow this procedure to reset the password to 00000 :
The physical reset must be completed within a once you start turning switches off. huawei+sun2000+reset+installer+password+work
: Huawei strongly recommends changing the initial password immediately after login and updating it periodically. A password left unchanged for a long period may be stolen or cracked, which could lead to unauthorised access and potential losses for your PV plant. If the defaults fail, follow this procedure to
: If the sequence fails, verify that the inverter remained on for at least 3 minutes before the first power-off, as a premature reset may not register. If the defaults fail