Troubleshooting
45 articles
Inverter errors
- 12Power-FAULT: Under-voltage of internal power supplyThe "12V Under Voltage Faulty" error signifies that the inverter's internal 12V power supply, crucial for various control and monitoring functions, is experiencing a voltage defici…Inverter errors
- ARC - Fault: Arc in DC circuitAn "ARC Fault" error indicates that the inverter's Arc Fault Circuit Interrupter (AFCI) has detected a potential arc fault in the DC wiring connected to the solar panels. An arc fa…Inverter errors
- Alarm-BMS: Battery management issueThe "Alarm-BMS" error indicates that the Battery Management System (BMS) responsible for monitoring and protecting the battery has detected an issue and has sent an alarm signal to…Inverter errors
- BATTERY_COM Fail: Battery communication failureThe inverter is displaying a "CAN_COMM_Fail" or "Battery_COM_Fail" error, meaning it's not detecting communication between the battery and itself. Since this communication is essen…Inverter errors
- BatName-FAIL: Wrong battery selectionThe "BatName-FAIL" error implies that the inverter has detected a mismatch or inconsistency in the battery configuration or settings. This could indicate an issue with battery comp…Inverter errors
- DC-INTF: DC overcurrentThe "DC-INTF" error indicates that the inverter is detecting an excessive current flow from the solar panels on the DC side of the system. Why it's problematic High currents can da…Inverter errors
- DCInj-FAULT: DC injection protection faultThis guide explains how to troubleshoot a "DC Injection Protection" error, which can also be displayed as "DCinj-FAULT", on an Autarco inverter. This error occurs when the inverter…Inverter errors
- DRM_LINK_FAIL: DRM connect failureThe "DRM Connect Fail" error signifies a communication breakdown between the inverter and the DRM (Data Remote Module). The DRM is responsible for transmitting performance data and…Inverter errors
- DSP_B Fault: Parallel communication errorThe "DSP_B Fault" error typically indicates a communication issue between the master and slave Digital Signal Processors (DSPs) within the inverter. The DSP is a specialized microp…Inverter errors
- FAN_H Alarm: Fault of the external fanThis guide helps you address the "FAN_H Alarm" error message on your Autarco inverter. This error indicates a problem with the inverter's cooling fan, which is crucial for maintain…Inverter errors
- FAN_fault: Fan AlarmThis guide helps address a "FAN fault" error message on your Autarco inverter. This error indicates a potential problem with the inverter's cooling fan, which is crucial for mainta…Inverter errors
- Fail_Safe: Fail SafeThe "Fail Safe" error indicates that the inverter has activated a protective mechanism to prevent potential damage or hazards. This error typically occurs when the inverter detects…Inverter errors
- G-PHASE: DC Bus UnbalanceThe "G-PHASE" error indicates an imbalance in the DC voltage levels within the inverter's internal DC bus. The DC bus is a critical component that converts the variable DC power fr…Inverter errors
- GRID-INTF: Grid interferenceThis guide helps troubleshoot a "Grid Interference Protection" error on an Autarco inverter. This error is triggered when the inverter detects disturbances or fluctuations in the e…Inverter errors
- Grid Off: Grid not within specificationThis guide helps troubleshoot a "Grid Not Within Specification" error on an Autarco inverter. This error indicates that the grid's voltage and/or frequency are outside the inverter…Inverter errors
- I-LEAK PRO: Leakage current protectionThe "I-LEAK PRO" error indicates that the inverter has detected a leakage current exceeding the permissible safety limits. Leakage current is an unwanted electrical flow that devia…Inverter errors
- IGFOL-F: Grid current tracking faultThe "Grid current tracking fault" error suggests that the inverter is unable to accurately monitor and control the current flowing to the utility grid. This error is also sometimes…Inverter errors
- L&PE FAIL: AC phase ground faultThis guide helps troubleshoot an "AC Phase Ground Fault (Warning)" on an Autarco inverter. This error indicates a potential ground fault on one or more of the AC phases connected t…Inverter errors
- LowTemp.AMB: Low ambient temperatureThe "LowTemp.AMB" error indicates that the inverter is operating below its recommended temperature range. Why it's problematic Low temperatures can significantly reduce the battery…Inverter errors
- Meter COM Fail: Meter communication failureThe inverter is not able to establish communication with the smart meter, impacting its ability to monitor and control energy flow to and from the grid. Possible causes Issues with…Inverter errors
- NO-Battery: Battery not connectedThis guide helps you fix a "Battery Not Connected" error on your Autarco inverter. This error means the inverter can't communicate with or get power from the battery, preventing it…Inverter errors
- NO-GRID: No grid detectedThe inverter is unable to detect the AC grid connection, as indicated by the "NO-GRID" error message on the display. This issue prevents the solar inverter from feeding power into…Inverter errors
- OV-BUS: DC bus overvoltageThis guide explains how to troubleshoot a "OV-BUS" error on an Autarco inverter. This error indicates that the voltage in the inverter's DC bus, which connects to the solar panels,…Inverter errors
- OV-G-F: Grid over frequencyThis guide helps troubleshoot a "Grid Over Frequency" error on an Autarco inverter. This error indicates that the frequency of the electricity grid exceeds the acceptable range for…Inverter errors
- OV-G-I: Grid over currentThe "Grid Over Current" error indicates that the inverter is detecting an excessive current flowing from the inverter to the utility grid. This could be due to a fault within the i…Inverter errors
- OV-G-V: Grid over voltageThe inverter is reporting that the utility grid's voltage is higher than the allowed limits. This can trigger the inverter to shut down to prevent damage. Possible causes High AC C…Inverter errors
- OV-ILLC: LLC hardware overcurrentThe "OV-ILLC" error suggests a problem with the inverter's LLC resonant circuit, which is responsible for converting the DC voltage from the solar panels into high-frequency AC bef…Inverter errors
- OV-TEMP: Temperature protectionThe "Temperature Protection" error means the inverter has activated its safety mechanism to prevent overheating. Why it's problematic Prolonged exposure to high temperatures can da…Inverter errors
- OV-Vbackup: Grid backup overloadThe "OV-Vbackup" error suggests that the inverter's backup circuit, which supplies power during grid outages, is being subjected to an excessive load. This typically occurs when th…Inverter errors
- OV_DC: DC Over VoltageThe "DC Over Voltage" error means the DC input voltage from the solar strings exceeds the inverter's limits. Why it's problematic High DC voltage can damage the inverter, potential…Inverter errors
- PV ISO-PRO: Ground FaultThis guide addresses the “Ground Fault” error in Autarco inverters. A ground fault is a serious electrical issue that occurs when electricity flows through an unintended path to th…Inverter errors
- RelayChk-FAIL: Relay faultThe relay fault in Autarco solar inverters can occur due to several reasons including mechanical failure, environmental factors, electrical issues, and communication problems. This…Inverter errors
- Reve-DC: DC reverseThe "DC Reverse" error, also known as "Reve-DC", indicates that one or more of the DC input strings connected to the inverter have reversed polarity. This means the positive (+) an…Inverter errors
- UN-BUS: DC bus undervoltageThe "UN-BUS" error means the DC voltage level within the inverter is below the required threshold for proper operation. The DC bus is responsible for converting the DC power from s…Inverter errors
- UN-G-F: Grid under frequencyThe "Grid Under Frequency" error signals that the frequency of the utility grid is below the acceptable operating range of the inverter. Inverters are designed to operate within sp…Inverter errors
- UN-G-V: Grid under voltageThe inverter is reporting that the utility grid's voltage is lower than the allowed limit. This safety feature can trigger the inverter to shut down. Possible causes Utility Grid I…Inverter errors
- UN-Vbatt: Battery undervoltageThe "UN-Vbatt" error signals that the battery's voltage has fallen below the inverter's operational threshold. Why it's problematic The inverter may shut down to protect the batter…Inverter errors
System issues
- Common issues when installing a smart meterPlacement and direction of the CT clamps Current transformers (CT) clamps are used by the smart meter to measure the current going from or back to the grid. Considering that the in…System issues
- Inverter not starting upThis guide addresses the issue of an Autarco inverter not starting up. The inverter is a critical component in a solar energy system, converting DC power from the solar panels into…System issues
- MPPT failureThis troubleshooting guide addresses a situation where your Autarco inverter displays low or no DC voltage readings, indicating a problem with the Maximum Power Point Tracking (MPP…System issues
- Residual currentsAutarco inverters are equipped with sensitive residual current monitoring to ensure safety. When this protection mechanism detects excessive leakage current, it triggers a shutdown…System issues
- System not generating/producing as expectedThis guide helps troubleshoot an underperforming Autarco solar PV system. When a system produces less energy than expected, it signifies a problem that needs addressing to maximize…System issues
Connectivity issues
- No monitoring data via 4G StickThis guide helps troubleshoot issues where your 4G Stick is not providing monitoring data for your Autarco inverter. Monitoring is crucial for tracking your solar system's performa…Connectivity issues
- No monitoring data via LAN StickThis guide helps troubleshoot issues where your LAN Stick is not providing monitoring data for your Autarco inverter. Monitoring is crucial for tracking your solar system's perform…Connectivity issues
- No monitoring data via WiFi StickThis guide helps troubleshoot issues where your WIFI Stick is not providing monitoring data for your Autarco inverter. Monitoring is crucial for tracking your solar system's perfor…Connectivity issues