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How to Fix E6 Error Code in Voltas Inverter AC

Are you having communication error in your Voltas AC? Let’s learn how to fix E6 error code in Voltas Inverter AC.

How To Fix E6 Error Code in Voltas Inverter AC

If you own a Voltas inverter AC, encountering an E6 error code might be concerning. This error code displayed on the air conditioner’s LED probably means that the indoor and outdoor machine communication has certain issues. Here’s a comprehensive guide to help you understand and fix this error effectively.

Understanding the E6 Error Code in Voltas Inverter AC

The E6 error code signifies a communication problem between the indoor and outdoor units of your Voltas inverter AC. This disruption can be due to various issues, including faulty wiring, voltage fluctuations, or a malfunctioning control board​.

Common Causes of E6 Error Code in Voltas Split AC

  1. Faulty or Loose Wiring: Loose or damaged wires can disrupt the communication between the indoor and outdoor units.
  2. Voltage Fluctuations: High or low voltage levels can trigger the E6 error code.
  3. Control Board Issues: A malfunctioning control board in either the indoor or outdoor unit can cause this error.

Step-by-Step Guide to Troubleshoot E6 Error Code in Voltas Inverter AC

Voltas AC Communication Error

1. Power Reset Your Voltas AC

Start by turning off the air conditioner and unplugging it from the power source. Wait for about 10-15 minutes before plugging it back in and turning it on. This simple reset can often clear temporary communication issues​.

2. Inspect the Wiring Connections

Check both the indoor and outdoor units for wiring issues. Ensure all wires are securely connected and undamaged. Use a multimeter to test the continuity of the wires. If you find any loose or damaged wires, they may need to be repaired or replaced to restore proper communication​.

3. Check for Voltage Issues in Your Voltas AC

Use a voltmeter to measure the voltage at both the indoor and outdoor units. Ensure the voltage is within the operational range specified by Voltas. If you detect any voltage fluctuations, consider using a voltage stabilizer to protect your AC from future issues​​.

4. Inspect the Control Board of Voltas Inverter AC

Perform a visual inspection of the control boards in both the indoor and outdoor units for any signs of damage, such as burnt components or broken circuits. If you suspect a control board issue but cannot identify it visually, it’s best to call a professional technician to inspect and possibly replace the control board​.

When to Call a Professional for E6 Error Code

If the above steps do not resolve the E6 error, it is advisable to contact a professional technician. They have the tools and expertise to diagnose and fix more complex issues that might not be immediately apparent​​.

Preventive Measures to Avoid E6 Error Code in Voltas AC

  1. Regular Maintenance: Schedule regular maintenance checks for your AC to ensure all components are functioning correctly.
  2. Proper Installation: Ensure that the AC is installed properly, with secure wiring and connections.
  3. Use of Voltage Stabilizer: Consider using a voltage stabilizer to protect the AC from voltage fluctuations.

Fix Voltas AC E8 Error: Outdoor Unit Fan Not Working


The E6 error code in your Voltas inverter AC indicates a communication problem between the indoor and outdoor units. By following the troubleshooting steps outlined above, you can often resolve this issue yourself. However, do not hesitate to seek professional help if the problem persists. Regular maintenance and proper installation can prevent many such issues, ensuring your AC runs smoothly throughout its lifespan.

By taking these proactive steps, you can ensure your Voltas inverter AC operates efficiently, providing you with the comfort and cooling you need, especially during the hot months.

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