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This manual mainly introduces maintenance methods of PV11-1200 model, disassembly and some attention.
Provides a schematic diagram of the inverter's signal flow and components.
Identifies and illustrates key internal components of the inverter unit.
Discusses possible reasons and checks for inverter failure during startup.
Details potential causes and checks for PV failure during the charging process.
Explains fault codes 00/01 related to inverter startup issues.
Describes fault code 02 and its potential causes, primarily battery-related.
Covers fault code 03, often related to inverter MOS issues or voltage abnormalities.
Explains fault code 04, typically associated with low battery voltage or high load.
Details fault code 05, often linked to PV charger board temperature or circuit issues.
Describes fault code 06, usually indicating PV charger voltage control issues.
Explains fault code 07, commonly related to fan malfunction or blockage.
Covers fault code 10, often due to PV charger MOS failure or current detection issues.
Details fault code 12, typically related to over-rated PV input voltage.
Explains fault code 14, associated with utility frequency deviations.
Describes fault code 15, usually indicating low battery voltage or DC cut-off settings.
Covers fault code 16, typically an overload warning.
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General