R
rodney29Sep 23, 2025
What to do if SAJ Inverter shows Relay Error?
- MmichaelandersonSep 23, 2025
If your SAJ Inverter displays a Relay Error frequently, contact your distributor or SAJ technical support for assistance.

What to do if SAJ Inverter shows Relay Error?
If your SAJ Inverter displays a Relay Error frequently, contact your distributor or SAJ technical support for assistance.
What to do if GFCI Error appears on SAJ R5-4K-S2?
To resolve a GFCI Error on your SAJ Inverter: * Check the insulation resistance of both the positive and negative sides of the solar panel. * Ensure the inverter isn't in a wet environment. * Verify the inverter's grounding. If the problem persists, contact your distributor or SAJ technical support.
How to fix ISO Error on SAJ Inverter?
To solve the ISO Error on your SAJ Inverter: * Check the insulation resistance on both the positive and negative sides of the solar panel. * Make sure the inverter is not in a wet environment. * Confirm the grounding of the inverter is secure. If the problem continues, contact your distributor or SAJ technical support.
How to resolve Frequency Error on SAJ Inverter?
To address a Frequency Error on your SAJ Inverter, check the country and frequency settings for your local grid. If the problem persists, contact your distributor or SAJ technical support.
What to do if Overcurrent error occurs on SAJ R5-4K-S2?
To solve an Overcurrent issue on your SAJ Inverter: * Check the connection between the inverter and the grid. * Test the grid voltage to ensure it is stable. If the problem persists, contact your distributor or SAJ technical support.
What to do if my SAJ R5-4K-S2 has Lost Communication?
If your SAJ Inverter displays a Lost Communication error, verify the connection of the communication cables between the control board and the display board. If the connection is correct, contact your distributor or SAJ technical support.
What does Null line-to-earth voltage fault mean on SAJ R5-4K-S2?
If your SAJ Inverter shows a Null line-to-earth voltage fault, check the stability and reliability of the AC output grounding terminal connection. If it's normal, contact your distributor or SAJ technical support.
What causes High Temperature Error on SAJ R5-4K-S2?
If your SAJ Inverter displays a High Temperature Error, check if the radiator is blocked and ensure the inverter is not operating in excessively high or low temperatures. If these conditions are normal, contact your distributor or SAJ technical support.
What to do if my SAJ Inverter shows an AC Voltage Error?
If your SAJ Inverter displays an AC Voltage Error, start by checking the grid voltage and the connection between the inverter and the grid. Also, verify the inverter's on-grid standard settings.
What to do if DCI Device Error appears on SAJ R5-4K-S2 Inverter?
If you are experiencing a DCI Device Error with your SAJ Inverter frequently, contact your distributor or SAJ technical support for assistance.
Explains DANGER, WARNING, CAUTION, NOTICE symbols for safe operation.
Details critical safety measures for inverter preparation and handling.
Provides detailed technical specifications for various R5 inverter models.
Highlights critical safety warnings for inverter installation procedures.
Emphasizes safety precautions for technicians performing electrical connections.
Provides detailed steps and specifications for connecting the inverter to the AC power grid.
Explains the procedures and specifications for connecting the DC input from solar panels.
Lists all error codes and their corresponding explanations for diagnosing issues.
Provides common troubleshooting steps for various fault conditions and errors.