Voltas AC Error Codes: Troubleshooting Guide

Voltas air conditioners are known for their cooling efficiency and reliable performance. However, like any other electronic device, they can encounter errors or malfunctions. Understanding the error codes displayed by your Voltas AC can help diagnose and troubleshoot issues effectively. In this article, we will provide a comprehensive list of Voltas AC error codes along with their meanings and possible solutions, enabling you to address common AC problems and ensure optimal cooling comfort in your home or office.

If needed, you may also look for Voltas Cassette AC error code list. To help them manage such situations, we share Voltas inverter AC error code list and voltas window AC error code list. Don’t hold-up! Do you have an issue with the mode button or is your Voltas AC showing ad on display? Here’s a comprehensive Voltas AC error code list guide.

Find the Voltas AC error codes below:

Error Code	Meaning	Troubleshooting Steps
E1	Indoor fan error	Check the air filter and make sure it’s clean. Unplug the AC for 30 seconds and then plug it back in. Reset the AC by pressing the power button for 10 seconds. Check the wiring connections to make sure they’re tight and secure. If you’re still having problems, call a qualified technician.
E2	Outdoor fan error	Check the outdoor fan motor. Make sure the fan is not obstructed. Check the wiring connections to make sure they’re tight and secure. If you’re still having problems, call a qualified technician.
E3	Overheating error	Check the outdoor unit for signs of overheating. Make sure the condenser coils are clean and free of debris. Check the airflow around the outdoor unit. If you’re still having problems, call a qualified technician.
E4	Low refrigerant pressure error	Check the refrigerant level. Add refrigerant if necessary. If you’re still having problems, call a qualified technician.
E5	High refrigerant pressure error	Check the refrigerant level. Disconnect the power and let the AC cool down. If the error code persists, call a qualified technician.
E6	Indoor temperature sensor error	Check the indoor temperature sensor. Make sure the sensor is not damaged or disconnected. Check the wiring connections to make sure they’re tight and secure. If you’re still having problems, call a qualified technician.
E7	Outdoor temperature sensor error	Check the outdoor temperature sensor. Make sure the sensor is not damaged or disconnected. Check the wiring connections to make sure they’re tight and secure. If you’re still having problems, call a qualified technician.
F1	Communication error	Check the wiring connections between the indoor and outdoor units. Make sure the connections are tight and secure. If you’re still having problems, call a qualified technician.
F2	Control board error	The control board may be faulty. Call a qualified technician to diagnose and repair the problem.

EE – The error code shows when you have an issue with Voltas indoor machine.
E0 – The error code shows when there is an issue with the outdoor machine EE.
E1 – The error code shows when you have an issue with the indoor fan.
E2 – The error code shows when you have an issue with zero-crossing detection indoor fan.
E3 – The error code shows when you have an issue with the sensor and indoor coil fault. You might need coil overheat protection.
E4 – The error code shows when there is an issue with your Voltas indoor ambient temperature sensor.
E5: The error code shows when there is a problem with the fan speed and operation.
E6: The error code shows when there is an outdoor and indoor machine communication issue.
E8: The error code shows when there is a problem with outdoor communication.
F1: The error code shows when you have a problem with the compressor starting up.
F2: The error code shows when you have a problem with your compressor.
F3: The error code shows when you have a problem with the IPM module.
F4: The error code shows when you have a problem with the compressor shell roof.
F5: The error code shows when you have a problem with the discharge temperature sensor.
F6: The error code shows when you have a problem with the section temperature sensor.
F7: The error shows when you have a problem with the coil temperature sensor or there is a temperature sensor fault.
F8: The error code shows when you have a problem with the ambient temperature sensor.
F9: The error code shows when you have a problem with your outdoor DC fan.
P1: The error code shows when you have a problem with the machine air conditioning current protection.
P2: The error code shows when you have an issue with the compressor phase current protection.
P3: The error code shows when you have a problem with your outdoor unit air conditioner/ac voltage protection.
P4: The error code shows when you have a problem with the DC voltage protection.
P5: The error code shows when you have a problem with IPM over-high temperature protection.
P6: The error code shows when you have a problem with the discharge temperature overheat protection.
P7: The error code shows when you have a problem with the cooling coil anti-freezing protection.
L4: The error code shows when you have a problem with the phase current samping.
U1: The error code shows when there is a problem with the IPM overcurrent protection.
U3: The error code shows when you have a problem with the compressor overcurrent protection.
U4: The error code shows when you have a problem with over voltage protection.
U5: The error code shows when you have a problem with low-voltage protection.
U7: The error code shows when you have a problem with over-speed protection.
1E: Issue with outdoor unit room temperature sensor.
2E: Issue with unit pipe temperature sensor (outdoor unit).
3E: Issue with exhaust sensor.
4E: Module board needs to be replaced.
8E: Issue with PFC. Need to replace the module board.
H1: Automatic defrosting
H3: Halt for compressor overload protection.
H4: Overload protection
PL: protection against low voltage range
C5: Jumper cap malfunction

Frequently Asked Questions (FAQs)

2. Common Voltas AC Error Codes and Solutions

Here are some common error codes that you may encounter on your Voltas AC unit and their possible solutions:

2.1 E1 Error Code

Meaning: This error indicates a communication problem between the indoor and outdoor units.
Solution: Check the wiring connections between the indoor and outdoor units. Ensure they are properly connected and not damaged. If the problem persists, contact a professional technician for further assistance.

2.2 E2 Error Code

Meaning: The E2 error code signifies a low refrigerant level in the system.
Solution: Contact a qualified technician to inspect the AC system for leaks and recharge the refrigerant if necessary.

2.3 E3 Error Code

Meaning: The E3 error code indicates a problem with the fan motor or its circuit.
Solution: Check the fan motor for any obstructions or damage. If the motor is faulty, it may need to be replaced or repaired by a technician.

2.4 E4 Error Code

Meaning: The E4 error code suggests an abnormality in the outdoor unit’s compressor temperature.
Solution: Ensure that the outdoor unit is not obstructed or covered. Clean any debris or dirt accumulated on the unit. If the problem persists, seek assistance from a professional technician.

2.5 E5 Error Code

Meaning: The E5 error code indicates a malfunction in the temperature sensor.
Solution: Check the temperature sensor for any damage or loose connections. If necessary, replace the sensor with a new one or seek professional help.

2.6 E6 Error Code

Meaning: The E6 error code signifies an issue with the indoor unit’s fan motor.
Solution: Inspect the indoor unit’s fan motor for any obstructions or damage. If required, consult a technician to repair or replace the fan motor.

2.7 E7 Error Code

Meaning: The E7 error code indicates an abnormality in the voltage or power supply.
Solution: Check the power supply voltage to the AC unit. Ensure it is within the specified range. If the voltage is unstable or fluctuating, consult an electrician to address the power supply issue.

2.8 E8 Error Code

Meaning: The E8 error code suggests a problem with the indoor unit’s heat exchanger temperature.
Solution: Check if the heat exchanger is clean and free from any blockages. Clean the heat exchanger if necessary. If the issue persists, seek assistance from a professional technician.

2.9 E9 Error Code

Meaning: The E9 error code indicates an abnormality in the refrigerant pressure.
Solution: Contact a qualified technician to inspect the refrigerant pressure and system for any leaks or abnormalities.

Please note that the above error codes are just a few examples, and there may be additional error codes specific to your Voltas AC model. Refer to your AC unit’s user manual or contact the manufacturer’s customer support for a comprehensive list of error codes and their solutions.

3. Conclusion

Encountering error codes on your Voltas AC can be frustrating, but with the help of this troubleshooting guide, you can identify the meaning behind the error codes and attempt the appropriate solutions. However, if the issue persists or if you are unsure about performing any troubleshooting steps, it is recommended to seek professional assistance from authorized service centers or technicians.

4. Frequently Asked Questions (FAQs)

Q1: Why is my Voltas AC showing an E1 error code?

A: The E1 error code on a Voltas AC typically indicates a communication problem between the indoor and outdoor units. Check the wiring connections and ensure they are properly connected.

Q2: What should I do if my Voltas AC displays an E4 error code?

A: The E4 error code on a Voltas AC suggests an abnormality in the outdoor unit’s compressor temperature. Check if the unit is obstructed or covered and clean any accumulated dirt or debris.

Q3: Can I fix Voltas AC error codes on my own?

A: Some error codes can be resolved by simple troubleshooting steps, but it is recommended to refer to the user manual or contact the manufacturer’s customer support for guidance. If unsure, it is best to seek professional assistance.

Q4: Why does my Voltas AC show an E9 error code?

A: The E9 error code on a Voltas AC indicates an abnormality in the refrigerant pressure. Contact a qualified technician to inspect the refrigerant pressure and system for any leaks or abnormalities.

Q5: Where can I find a comprehensive list of Voltas AC error codes?

A: Refer to your Voltas AC unit’s user manual or contact the manufacturer’s customer support for a comprehensive list of error codes specific to your AC model.