Voltas, a popular air conditioning brand in India, offers efficient and affordable split ACs for homes and businesses. Like many modern air conditioners, Voltas split ACs come with self-diagnostic features that display error codes to indicate specific problems. Understanding these codes can help you identify issues early and prevent expensive repairs.

In this blog, we’ve compiled a comprehensive Voltas Split AC error code list with their descriptions and solutions to help you troubleshoot your unit effectively.

📋 Voltas Split AC Error Codes with Descriptions and Fixes

E1 – Indoor/Outdoor Unit Communication Error

• Description: The indoor unit cannot communicate with the outdoor unit.
• Solution:
  • Turn off the AC, wait 5 minutes, and restart.
  • Check the communication cable for loose or broken connections.
  • Replace the PCB if the problem persists.

E2 – Zero Crossing Detection Error

• Description: This error is related to frequency detection in the power supply.
• Solution:
  • Turn off the unit and restart it after a few minutes.
  • Check the voltage stability.
  • Replace the indoor PCB if faulty.

E3 – Fan Speed Error (Indoor)

• Description: The indoor fan speed is not within the normal range.
• Solution:
  • Clean the fan and motor area.
  • Check for motor issues or obstructions.
  • Replace the fan motor if necessary.

E4 – Indoor Room Temperature Sensor Error

• Description: The sensor that detects room temperature is not working.
• Solution:
  • Inspect the sensor and wires for damage.
  • Replace the temperature sensor if needed.

E5 – Indoor Coil Temperature Sensor Error

• Description: The sensor on the indoor evaporator coil is faulty.
• Solution:
  • Check the sensor’s placement and connection.
  • Replace the sensor if it’s damaged or inaccurate.

E6 – Outdoor Coil Temperature Sensor Error

• Description: The sensor on the outdoor condenser coil is malfunctioning.
• Solution:
  • Inspect the wiring and sensor.
  • Replace the sensor if defective.

E7 – Compressor Overload or High Discharge Temperature

• Description: The compressor is overheating or facing too much load.
• Solution:
  • Switch off the AC and let it cool for 30 minutes.
  • Ensure proper ventilation around the outdoor unit.
  • If recurring, call a technician to inspect the compressor.

E8 – Water Drainage Error

• Description: Drainage is blocked or the drain pump has failed.
• Solution:
  • Clean the drainage pipe and filter.
  • Check if the drain pump is operational.
  • Replace the pump if required.

E9 – EEPROM Error (Memory Chip Fault)

• Description: Error in the AC’s internal memory (EEPROM).
• Solution:
  • Restart the unit.
  • Replace the PCB if the error returns.

F1 – Outdoor Ambient Temperature Sensor Error

• Description: The outdoor unit’s ambient sensor is faulty.
• Solution:
  • Inspect the sensor wiring.
  • Replace the sensor if damaged.

🧼 Pro Tips to Prevent Common Voltas AC Errors

• ✅ Clean filters every 2 weeks.
• 🔌 Use a voltage stabilizer to protect against fluctuations.
• 🧰 Schedule annual maintenance by a certified technician.
• 🌬️ Ensure good airflow around both indoor and outdoor units.
• 🕹️ Don’t ignore blinking lights or odd noises — address them early.

📞 When to Call Voltas AC Service

Get professional help when:

• The error keeps appearing even after restarting the unit.
• Cooling performance is poor or inconsistent.
• You hear loud, unusual sounds from the AC.
• There’s water leakage or electrical smells.

✅ Final Thoughts

Understanding the Voltas split AC error code list can save time and money by helping you identify minor issues before they become major problems. While some issues like filter cleaning and drainage can be resolved at home, errors involving sensors or compressors are best left to professionals.

Need help with your Voltas AC? Reach out to Voltas customer service or your local authorized service center for expert support.

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