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: Ensure the inverter is connected to both AC and DC power. The indicators should be steady green or blinking slowly for at least 3 minutes . First Power-Off : Turn off the AC switch. Set the DC SWITCH at the bottom of the inverter to OFF . If connected to a battery, turn off the battery switch.
If you are currently logged in as the installer but have forgotten the password for next time , you can reset it instantly. huawei sun2000 reset installer password
The process used to work like this: You would generate a request code from the inverter, send it to Huawei technical support, and they would generate a one-time "Super QR Code" to reset the password. : Ensure the inverter is connected to both AC and DC power
Unlike the user password (which grants basic monitoring access), the installer password is the master key. It allows you to modify grid parameters, change communication settings (4G/WiFi/RS485), update firmware, and configure battery storage (LUNA2000). Set the DC SWITCH at the bottom of the inverter to OFF
Once you regain access, do the following:
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