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Ductless Heating & Cooling System FAQs : Troubleshooting

Haier - Ductless Air Conditioner Temperature On Unit Higher Than Measured Temperature

If the temperature displayed on the wall unit shows a higher temperature than what you are measuring with a thermometer on the table (for example), this is because of where the unit is mounted on the wall. The thermostat is in the ductless (split air) the unit is mounted high on the wall where the r...

Haier - Ductless Air Conditioner Remote Control Operation and Troubleshooting

Indoor units are controlled by a wireless remote control.Each indoor unit comes with a wireless remote control and is used to make any changes to unit settings.The remote does not sense the room temperature (like other units). The sensor is inside the indoor unit.Remote comes with a wall mount but c...

Haier - Ductless Air Conditioner Will Not Run

If your ductless (split air) air conditioner will not run, check the following:Does the indoor unit respond to control demands? If it does not, check for a tripped breaker.If the breaker continues to trip after resetting it, a service provider should be called. If you have more than one indoor unit...

Haier - Ductless Air Conditioner Fan Runs All the Time in COOL Mode

For ductless (split air) air conditioning units, the fan will operate the entire time while in COOL mode. This is a normal operating condition. The indoor fan needs to be operating to draw air across the indoor unit sensor to determine the temperature of the room. This determines whether the outdoor...

Haier - Ductless Air Conditioner Runs But Will Not Cool

If your ductless (split air) air conditioner is running but not cooling, check the following:Verify the unit is in COOL mode and not DRY mode.If the unit is set to COOL, the fan will continue to run even after the room has reached set point. This is normal operation. Check the air filter on the indo...

Haier - Ductless Air Conditioner Wall Unit Display Turns Off

If the wall unit display turns off after making a selection with the remote control, the display can be set to stay on. On the ductless (split air) remote control, press the "light" button to return the wall unit display to being constantly lit. The "light" button feature is used...

Haier - Ductless Air Conditioner Turns Off and On Every Few Minutes

When set to HEAT mode, the system will shut down once the room reaches the set point. The fan will cycle on every few minutes to sample the air temperature. This is normal operation.Other causes: The ductless (split air) unit could be too large for your room and is "short cycling." This ha...

Haier - Ductless Air Conditioner Freezing Up

Several common problems can cause the ductless (split air) air conditioner to freeze-up:Insufficient Air FlowAnything that restricts air flow will cause the temperature of the system's evaporator coil to drop below freezing.Humidity in the air will collect on the coil causing ice to build-up, wh...

Haier - Air Conditioner Freezing Up

Several common problems can cause air conditioner freeze-ups: Insufficient Air Flow: Anything that restricts air flow will cause the temperature of the system's evaporator coil to drop below freezing. Humidity in the air will collect on the coil causing ice to build-up and diminish the sys...

Haier - Ductless Air Conditioner Error Codes

Ductless (split air) air conditioners will display an error code beginning with either an E or an F (ex. E7, F8) when the system needs attention. Error codes will be displayed at the indoor unit on the LED display or a flashing pattern of the LED lights. These codes tell a qualified service professi...

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