Skip to main content

How to Solve the E2 Error on Your Haier Inverter AC?

By July 8, 2024July 15th, 2024AC Services, Error & Solutions, Haier
Immediate Ac repair service.

Solving the E2 Error on Your Haier Inverter AC: Indoor Coil Temperature Sensor Issue

Encountering the E2 error code on your Haier inverter air conditioner? This code indicates an issue with the indoor coil temperature sensor, a critical component that ensures your AC operates efficiently. Here’s a detailed guide to diagnose and fix the E2 error. If you need professional assistance, offers expert AC repair services to get your unit back in optimal condition.

Understanding the E2 Error Code

The E2 error code signifies a problem with the indoor coil temperature sensor. This sensor monitors the temperature of the indoor coil and sends signals to the control board to regulate the cooling process. A malfunctioning sensor can lead to improper cooling and might cause the unit to shut down to prevent further damage.

Causes of the E2 Error Code

  • Faulty Sensor: The sensor itself may be defective or damaged.
  • Loose or Disconnected Wires: The wiring connecting the sensor to the control board could be loose or disconnected.
  • Dirt or Debris: Accumulation of dirt or debris on the sensor might cause it to malfunction.
  • Control Board Issues: Problems with the control board can affect the sensor’s performance.
  • Power Supply Issues: Inconsistent or faulty power supply can lead to sensor errors.

Steps to Diagnose and Fix the E2 Error

1. Turn Off the AC

For safety, turn off the air conditioner and unplug it from the power source before starting any inspection or repair.

2. Access the Indoor Unit

Open the cover of the indoor unit. You may need a screwdriver to remove the screws securing the cover.

3. Locate the Coil Temperature Sensor

Find the indoor coil temperature sensor, typically located near the indoor coil inside the unit.

4. Inspect the Sensor

Check if the sensor is properly connected to the control board. Look for any loose or disconnected wires.

5. Clean the Sensor

If the sensor is dirty, gently clean it with a soft cloth to remove any dust or debris.

6. Test the Sensor

If you have a multimeter, test the sensor’s resistance and compare the readings with the specifications provided in the user manual.

7. Reconnect or Replace the Sensor

If the wires are loose, reconnect them securely. If the sensor is found to be faulty, it may need to be replaced with a compatible one from a reliable supplier.

8. Reassemble the Unit

After resolving the sensor issue, reassemble the indoor unit and plug the AC back in.

9. Test the AC

Turn on the air conditioner to see if the E2 error code is resolved. Monitor the unit to ensure it operates correctly and maintains the set temperature.

When to Seek Professional Help

If you’ve followed these steps and the E2 error persists, there might be a more complex issue at hand. Problems with the control board or other internal components require professional expertise.

Contact Today:


Phone: 03111333318


Don’t let an E2 error disrupt your comfort. Reach out to for reliable and efficient AC repair services. Our team is dedicated to ensuring your AC operates at its best, providing you with a cool and comfortable environment year-round.

Shaikh Hamza

Author Shaikh Hamza

More posts by Shaikh Hamza

Leave a Reply

Bulao.PK - Handyman Service in Karachi