How Fix Solaredge Error Code 18xb7 : A Complete Guide

How to Fix the Solaredge Error Code 18xb7

 Solaredge is one of the leading providers of smart energy solutions for residential, commercial, and industrial applications. Solaredge offers a range of products and services that enable customers to optimize their solar energy production, consumption, and management. Some of the products and services that Solaredge offers include:

  • Inverters: Solaredge inverters convert the direct current (DC) generated by the solar panels into alternating current (AC) that can be used by the appliances or fed into the grid. Solaredge inverters are designed to work with Solaredge power optimizers, which are attached to each solar panel and maximize the power output of each panel individually. Solaredge inverters also have built-in communication and monitoring capabilities that allow customers to track the performance and status of their solar system remotely.
  • Optimizers: Solaredge power optimizers are small devices that are installed on each solar panel and optimize the power output of each panel individually. Power optimizers mitigate the effects of shading, mismatch, and degradation on the solar system performance and increase the energy yield of the system. Power optimizers also communicate with the inverter and the monitoring platform and provide real-time data on the performance and status of each panel.
  • Monitoring platform: Solaredge monitoring platform is a web-based application that allows customers to monitor and manage their solar system from anywhere, anytime. The monitoring platform provides detailed and comprehensive information on the performance and status of the solar system, such as power generation, energy consumption, system health, alerts, and errors. The monitoring platform also allows customers to customize their dashboard, set up alerts and notifications, and access reports and analytics.

Solaredge products and services offer many benefits to customers, such as:

  • High efficiency: Solaredge products and services increase the efficiency and performance of the solar system by optimizing the power output of each panel individually and reducing the losses caused by shading, mismatch, and degradation. Solaredge products and services also have high conversion efficiency and low standby power consumption, which further improve the energy yield of the system.
  • Reliability: Solaredge products and services are designed to ensure the reliability and durability of the solar system. Solaredge products and services have high quality standards and undergo rigorous testing and certification processes. Solaredge products and services also have advanced safety features and protection mechanisms that prevent damage and malfunction of the system components and ensure the safety of the users and the environment.
  • Flexibility: Solaredge products and services offer flexibility and versatility to customers, as they can accommodate different types and sizes of solar panels, inverters, and optimizers. Solaredge products and services also allow customers to expand or upgrade their solar system easily and cost-effectively, as they can add or replace panels, inverters, and optimizers without affecting the rest of the system.

However, like any other product or service, Solaredge products and services may also encounter some issues or errors that may affect the performance and functionality of the solar system. One of the common issues or errors that may occur in some Solaredge inverters is the Solaredge Error Code 18xb7.

The Solaredge Error Code 18xb7 is a hardware error that may occur in some Solaredge inverters due to various factors and causes. It can be identified by the error message on the inverter display and the lack of power generation and communication.

  It can be troubleshooted by turning off the inverter, disconnecting the AC and DC inputs, and contacting Solaredge support. It can be prevented by following the installation and operation instructions, inspecting and maintaining the Solaredge system, and using only compatible and certified components and accessories.

In this blog post, we will show you how to identify, prevent, and fix the Solaredge Error Code 18xb7, as well as share some tips and best practices to avoid common issues with your Solaredge system.

How to identify the Solaredge Error Code 18xb7

The Solaredge Error Code 18xb7 is a hardware error that indicates that there is a problem with the internal circuitry or components of the inverter. The error code appears on the inverter display as “Error Code 18xB7 HW Error”. The error code may also be accompanied by other error messages, such as “Communication Error” or “No Grid Connection”.

The error code means that the inverter is not able to generate power or communicate with the power optimizers or the monitoring platform. The error code may also affect the functionality and safety of the inverter, as it may cause overheating, short-circuiting, or fire hazards.

The error code may be visible on the inverter display at any time, but it is more likely to occur during the startup or shutdown of the inverter, or when there is a sudden change in the input or output voltage or current of the inverter.

The error code may have different symptoms and signs, depending on the severity and duration of the problem. Some of the possible symptoms and signs of the error code are:

  • No power generation: The inverter is not able to convert the DC power from the solar panels into AC power that can be used by the appliances or fed into the grid. The inverter display may show zero or very low power output, or no power output at all.
  • No communication: The inverter is not able to communicate with the power optimizers or the monitoring platform. The inverter display may show a communication error message, or no communication status at all. The monitoring platform may also show no data or incorrect data from the inverter, or no connection status at all.
  • Noisy or hot inverter: The inverter may produce abnormal noises, such as buzzing, humming, or clicking, or become excessively hot, due to the malfunction of the internal circuitry or components. The inverter may also emit smoke or sparks, or catch fire, due to the overheating or short-circuiting of the internal circuitry or components.

What causes the Solaredge Error Code 18xb7

The Solaredge Error Code 18xb7 is a hardware error that may be caused by various factors and reasons. Some of the potential factors and reasons that may trigger the error code are:

  • Faulty components: The error code may be caused by faulty or defective components inside the inverter, such as capacitors, resistors, transistors, diodes, or relays. These components may be damaged or worn out due to manufacturing defects, aging, or improper handling or installation. These components may also be incompatible or uncertified, as they may not meet the specifications or standards required by the inverter.
  • Wiring issues: The error code may be caused by wiring issues between the inverter and the power optimizers, the inverter and the grid, or the inverter and the monitoring platform. These wiring issues may include loose or broken connections, damaged or corroded wires, incorrect or reversed polarity, or insufficient or excessive wire length or gauge. These wiring issues may affect the voltage or current input or output of the inverter, or the communication signal or protocol of the inverter.
  • Environmental conditions: The error code may be caused by environmental conditions that may affect the performance or functionality of the inverter, such as extreme temperatures, humidity, dust, dirt, water, or sunlight. These environmental conditions may damage or degrade the internal circuitry or components of the inverter, or cause overheating, condensation, corrosion, or oxidation of the inverter. These environmental conditions may also interfere with the communication or operation of the inverter, such as electromagnetic interference, radio frequency interference, or noise interference.

The following are some examples and scenarios of how the error code may occur due to the above factors and reasons:

  • The error code may appear if the inverter is exposed to extreme temperatures, humidity, or dust, which may damage the internal circuitry or cause overheating. For example, the error code may appear if the inverter is installed in a poorly ventilated or insulated location, such as a garage, attic, or basement, or if the inverter is covered by snow, ice, or debris.
  • The error code may appear if the inverter is connected to faulty or incompatible power optimizers, which may affect the voltage or current input or output of the inverter. For example, the error code may appear if the power optimizers are damaged or defective due to manufacturing defects, aging, or improper handling or installation, or if the power optimizers are not compatible or certified by Solaredge.
  • The error code may appear if the inverter is connected to faulty or incompatible grid, which may affect the voltage or frequency input or output of the inverter. For example, the error code may appear if the grid is unstable or unreliable due to power outages, surges, or fluctuations, or if the grid is not compatible or certified by Solaredge.
  • The error code may appear if the inverter is connected to faulty or incompatible monitoring platform, which may affect the communication signal or protocol of the inverter. For example, the error code may appear if the monitoring platform is damaged or defective due to software bugs, network issues, or server issues, or if the monitoring platform is not compatible or certified by Solaredge.

The error code may also be caused by a combination of the above factors and reasons, or by other unknown or unforeseen factors and reasons that may affect the performance or functionality of the inverter.

How to troubleshoot the Solaredge Error Code 18xb7

The Solaredge Error Code 18xb7 is a hardware error that requires professional assistance and intervention to diagnose and resolve. The error code cannot be fixed by the customer or the user, as it involves opening and inspecting the inverter cover, which may void the warranty or cause further damage or injury.

Solaredge Error Code 18xb7

 Therefore, the error code should be handled by a qualified technician or a Solaredge representative, who has the necessary skills, tools, and knowledge to handle this problem.

However, before contacting a qualified technician or a Solaredge representative, there are some steps and procedures that the customer or the user can follow to troubleshoot the error code and prepare for the service call. These steps and procedures are:

  • Turn off the inverter: The first step to troubleshoot the error code is to turn off the inverter and disconnect it from the power source. This step is important to ensure the safety of the customer or the user, as well as to prevent further damage or malfunction of the inverter. To turn off the inverter, the customer or the user should follow the instructions in the Solaredge Installation Guide or the Solaredge Troubleshooting Addendum, which are:

    • Locate the inverter AC disconnect switch, which is usually located near the inverter or on the wall next to the inverter.
    • Turn the AC disconnect switch to the OFF position, which will disconnect the inverter from the grid and stop the power generation.
    • Locate the inverter DC safety switch, which is usually located on the bottom of the inverter or on the side of the inverter.
    • Turn the DC safety switch to the OFF position, which will disconnect the inverter from the power optimizers and stop the power input.
    • Wait for at least five minutes, until the inverter display turns off and the inverter cools down.
  • Check the error code: The second step to troubleshoot the error code is to check the error code on the inverter display and the monitoring platform. This step is important to confirm the occurrence and the nature of the error code, as well as to provide the necessary information to the qualified technician or the Solaredge representative. To check the error code, the customer or the user should follow the instructions in the Solaredge Installation Guide or the Solaredge Troubleshooting Addendum, which are:

    • Turn the DC safety switch to the ON position, which will reconnect the inverter to the power optimizers and resume the power input.
    • Turn the AC disconnect switch to the ON position, which will reconnect the inverter to the grid and resume the power generation.
    • Wait for at least two minutes, until the inverter display turns on and the inverter initializes.
    • Check the inverter display for the error code and the error message, and note down the error code and the error message, as well as the date and time of the occurrence.
    • Check the monitoring platform for the error code and the error message, and note down the error code and the error message, as well as the date and time of the occurrence.
    • Compare the error code and the error message on the inverter display and the monitoring platform, and verify that they are consistent and accurate.
  • Contact Solaredge support: The third step to troubleshoot the error code is to contact Solaredge support and request for a service call. This step is important to report the error code and the error message, as well as to arrange for a qualified technician or a Solaredge representative to visit the site and fix the problem. To contact Solaredge support, the customer or the user should follow the instructions in the Solaredge Installation Guide or the Solaredge Troubleshooting Addendum, which are:

    • Locate the Solaredge support contact information, which is usually printed on the inverter label or on the Solaredge documentation.
    • Call or email Solaredge support and provide the following information:
      • The inverter serial number, which is usually printed on the inverter label or on the Solaredge documentation.
      • The error code and the error message, as well as the date and time of the occurrence, as noted down from the inverter display and the monitoring platform.
      • The site address and the contact details of the customer or the user, as well as the availability and the preference for the service call.
    • Follow the instructions and the guidance of Solaredge support, and wait for the confirmation and the appointment of the service call.

The following are some tips and warnings to ensure safety and avoid further damage when troubleshooting the error code:

  • Do not touch any uninsulated wires or components when the inverter cover is removed. Only a qualified technician should handle this problem, and only after taking proper precautions.
  • Do not attempt to repair or replace any components inside the inverter, as this may void the warranty or cause further damage or injury. Only a qualified technician should handle this problem, and only after using the authorized and certified components and tools.
  • Do not ignore or dismiss the error code, as this may affect the performance and functionality of the inverter, as well as the safety of the customer or the user. Always report and resolve the error code as soon as possible, and follow the instructions and the guidance of Solaredge support.

How to prevent the Solaredge Error Code 18xb7

The Solaredge Error Code 18xb7 is a hardware error that can be prevented by following some preventive measures and best practices that can ensure the optimal performance and functionality of the Solaredge system. These preventive measures and best practices are:

  • Follow the installation and operation instructions: The most important preventive measure and best practice to avoid the error code is to follow the installation and operation instructions provided by Solaredge, which are available in the Solaredge Installation Guide or the Solaredge Troubleshooting Addendum. These instructions include:

    • Choosing the right location and orientation for the inverter, which should be away from direct sunlight, heat sources, moisture, dust, or corrosive substances, and have adequate ventilation and clearance.
    • Choosing the right type and size of the inverter, which should match the specifications and requirements of the solar system, such as the number and the power of the solar panels, the voltage and the current of the grid, and the communication and the monitoring options.
    • Choosing the right type and size of the power optimizers, which should be compatible and certified by Solaredge, and match the specifications and requirements of the solar panels, such as the power, the voltage, and the current of each panel.
    • Choosing the right type and size of the wires and the connectors, which should be compatible and certified by Solaredge, and match the specifications and requirements of the inverter, the power optimizers, the grid, and the monitoring platform, such as the voltage, the current, the polarity, and the length of each wire and connector.
    • Installing and connecting the inverter, the power optimizers, the wires, and the connectors, according to the instructions and the diagrams provided by Solaredge, and using the appropriate tools and accessories, such as screws, nuts, washers, clamps, and labels.
    • Operating and controlling the inverter, according to the instructions and the settings provided by Solaredge, and using the appropriate buttons and switches, such as the AC disconnect switch, the DC safety switch, and the LCD light button.
  • Inspect and maintain the Solaredge system: Another important preventive measure and best practice to avoid the error code is to inspect and maintain the Solaredge system regularly and periodically, which can help to detect and prevent any potential issues or errors that may affect the performance or functionality of the system. These inspections and maintenance include:

    • Checking the inverter display and the monitoring platform for any alerts or errors, such as the error code, and reporting and resolving them as soon as possible, by following the instructions and the guidance of Solaredge support.
    • Checking the inverter and the power optimizers for any physical damage or wear and tear, such as cracks, dents, scratches, or corrosion, and replacing them as soon as possible, by contacting a qualified technician or a Solaredge representative.
    • Checking the wires and the connectors for any physical damage or wear and tear, such as cuts, breaks, burns, or rust, and replacing them as soon as possible, by contacting a qualified technician or a Solaredge representative.
    • Cleaning the inverter and the power optimizers from dust and debris, using a soft cloth or a brush, and avoiding any water or liquid, which may cause short-circuiting or corrosion.
    • Cleaning the solar panels from dust and debris, using a soft cloth or a sponge, and avoiding any water or liquid, which may cause shading or degradation.
  • Use only compatible and certified components and accessories: The last preventive measure and best practice to avoid the error code is to use only compatible and certified components and accessories for the Solaredge system, which can ensure the quality and the reliability of the system. These components and accessories include:

    • Inverters: Use only Solaredge inverters, which are compatible and certified by Solaredge, and match the specifications and requirements of the solar system, such as the number and the power of the solar panels, the voltage and the current of the grid, and the communication and the monitoring options.
    • Power optimizers: Use only Solaredge power optimizers, which are compatible and certified by Solaredge, and match the specifications and requirements of the solar panels, such as the power, the voltage, and the current of each panel.
    • Wires and connectors: Use only Solaredge wires and connectors, which are compatible and certified by Solaredge, and match the specifications and requirements of the inverter, the power optimizers, the grid, and the monitoring platform, such as the voltage, the current, the polarity, and the length of each wire and connector.
    • Tools and accessories: Use only Solaredge tools and accessories, which are compatible and certified by Solaredge, and are designed to facilitate the installation and the operation of the Solaredge system, such as screws, nuts, washers, clamps, and labels.

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Conclusion

The Solaredge Error Code 18xb7 is a hardware error that may occur in some Solaredge inverters due to various factors and causes, such as faulty components, wiring issues, or environmental conditions.

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 The error code indicates that there is a problem with the internal circuitry or components of the inverter, which may affect the performance and functionality of the inverter, as well as the safety of the customer or the user.

Solaredge Error Code 18xb7

The error code can be identified by the error message on the inverter display and the monitoring platform, and by the symptoms and signs of the error, such as no power generation, no communication, or noisy or hot inverter. The error code can be troubleshooted by turning off the inverter, disconnecting the AC and DC inputs, and contacting Solaredge support.

  The error code can be prevented by following the installation and operation instructions, inspecting and maintaining the Solaredge system, and using only compatible and certified components and accessories.