Haier Air Conditioner: display lights not turning off

Professional Repair Guide

What is this symptom?

Are you struggling with your Haier Air Conditioner display lights not turning off? This common issue can occur when the display setting is stuck in 'always on' mode, causing the LED lights to remain illuminated even after the unit is turned off with the remote. If you're experiencing this, don't worry; there are simple DIY solutions to help resolve the problem.

Urgency: Low

Important Tips for Haier Models

Haier split and ductless air conditioners include a remote 'LIGHT' button that specifically toggles the indoor unit display on and off; if the display remains on after power off, this feature is likely activated.(

Possible Causes

Display setting kept in 'always on' mode

How to Identify: Display stays lit after powering off via the remote; no error codes visible; cooling/heating functions off but lights stay on.

Part: Indoor unit display board / display control

DIY Solutions

Use remote ‘LIGHT’ button to turn off display

Easy 1 minute

Power off the air conditioner using the remote control.
Press the 'LIGHT' button on the Haier remote control to toggle the indoor unit display lights off.

Power cycle the unit to reset display state

Easy 5 minutes

Turn off the air conditioner and remote control.
Disconnect the unit from its power source by unplugging it or turning off its circuit breaker.
Wait 1–2 minutes, then restore power and test if the display still stays lit.

⚠️ Safety First: Ensure safe access to plug or breaker panel; do not handle electrical components with wet hands.

Next step

Choose the next step for display lights not turning off

Confirm the diagnosis before ordering. An error code can identify the system involved, but it does not prove that a specific part has failed.

Check during diagnosis

Most relevant component to inspect

User Interface Board

Receives button or touch input and controls the appliance display and indicators.

Typical part-only price: $70 - $220
DIY difficulty: Medium
Estimated time: 20-60 mins

Optional: enter your model number

Where can I find the model number?

Check the rating label around the door, lid, frame, rear panel, or inside the appliance cabinet. Use the complete model number, including suffixes.

Find a part that fits my model

Verify the complete model and part number on the retailer's compatibility page before ordering.

Other parts options

Check related components first; use model search as a fallback.

Model number required

Model-compatible Air Conditioner parts

Enter the complete model number to browse compatible replacement parts. This is a model-based parts search, not a diagnosis that a specific component failed.

Find a part that fits my model

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Optional routine care

Maintenance supplies

These products support cleaning or routine upkeep. They are separate from the possible repair components above and are not claimed to fix this error code or symptom.

Maintenance supply

Air Conditioner Fin Cleaner

For routine cleaning of accessible coil fins when permitted by the manufacturer. Disconnect power and follow product and appliance instructions.

View maintenance supply

Maintenance supply

Model-Compatible Washable AC Filter

A reusable filter option only where the appliance supports one. Match the full model, dimensions, and filter specification.

Compatibility check required: use the complete appliance model and compare the existing filter, bag, or specification before ordering.

Find one that fits my model

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When to Call a Professional

If the display continues to behave erratically after toggling settings and power cycling, or other symptoms such as error codes or functional failures accompany the display issue.

Preventive Maintenance

Periodically check remote control display settings: Unintended display illumination settings
Frequency: monthly

Frequently Asked Questions

Why is my Haier Air Conditioner display lights not turning off?

The display lights may be in 'always on' mode, which is a common setting.

How do I fix Haier Air Conditioner display lights not turning off myself?

Use the remote's 'LIGHT' button or power cycle the unit by unplugging it and waiting 1-2 minutes.

How much does it cost to fix display lights not turning off?

There are no professional repairs needed for this issue, making it cost-effective for DIY solutions.

When should I call a technician for display lights not turning off?

Since this issue is low urgency and typically easy to fix, calling a technician is usually not necessary.

References & Sources

Community Analytical Insights

Guidance from available sources; statistical claims are shown only for samples of at least 10 discussions

Common Issues Reported by Users

The display lights are designed to stay on for visibility and may need to be manually turned off using the remote control.
The control board may be malfunctioning, causing the lights to remain illuminated even when they should be off.
A software glitch in the air conditioner's firmware may prevent the lights from turning off as intended.

User Suggested Solutions

Locate the remote control and press the 'Light' button to turn off the display lights. Ensure that the controller is kept on to maintain any scheduled programs.
Unplug the air conditioner for 5 minutes to reset the control board. Plug it back in and check if the display lights turn off properly.
Check for any firmware updates for the air conditioner. If available, follow the manufacturer's instructions to update the software, which may resolve the display issue.

Limited-source guidance; percentages and success-rate claims are not shown
View Sources

Data compiled from real discussions on r/appliancerepair and r/Appliances:

Haier air conditioner display lights

Community Discussions

want to turn off the display lights

The display lights can only be turned off using the physical controller's Light button, but this will turn off the app's scheduled program unless the controller is kept on.