■ Disturbances in your electrical current can trip (Reset button will pop out) the power supply cord. Use an exhaust fan to remove excess heat. Air, non-condensibles or moisture in system, Recover refrigerant, evacuate & recharge, add filter drier. Outdoor Models: 1U09ES2VH*, 1U12ES2VH*, 1U18ES2VH*, 1U24ES2VH* Wall Mount Indoor Models: AW09ES2VH*, AW12ES2VH*, AW18ES2VH*, AW24ES2VH* 10 possible causes and potential solutions . Raise the FAN speed to the highest setting. • Outside temperature too cold. Service & repair for your kitchen, laundry, or air product. Level the air conditioner to provide a downward slope toward the outside to ensure proper drainage. Check the cooling capabilities of your room air conditioner. Our support resources give you the information you need when you need it. Is fuse burned out? Unavailable voltage at input part of circuit board, Unavailable voltage at one end of the fuse, Return to the controller manufacturer for repair, Unavailable output from the consequent pole of transformer, The transformer isn’t plugged well or is damaged, Plug the transformer well or replace with a good one, Damaged component on power supply unit of indoor board, Display board does not make normal response, Damaged connection cable between display board and indoor board, Connection cable between display board and indoor board isn’t connected well, The buzzer does not beep while making remote control, Unavailable square wave signal at two ends of the buzzer, Available square signal at two ends of the buzzer, CN8 on indoor board is not plugged well with connection cable, Indoor blowing fan cannot not generate low wind, No output at 16 pin of 2803 on indoor board, Unavailable voltage on COM port of relay JK2 on indoor board, Indoor blowing fan cannot generate medium wind, No voltage at COM of relay JK3 on indoor board, Indoor blowing fan cannot generate high wind. Pulsing noise at metering device or liquid line. Is there power failure? Adjust the temperature control on the control panel or remote control. If the wall unit display turns off after making a selection with the remote control, the display can be set to stay on. A household fuse or circuit breaker has blown. Is the fresh air window shifted to the open? Unplug or relocate appliances that share the same circuit. The unit may need to be reinstalled. Air conditioner is making noise when cooling: You may hear sounds of air movement, water, compressor clicking on and off or window vibrations. In addition, if the air filter is clogged, the eva...porator coils will frost over. Or, order replacement parts and schedule service online, 24/7. The thermostat is in the ductless (split air)  the unit is mounted high on the wall  where the... Search our knowledge base for help with installation, operation, troubleshooting, and more. This is normal as your air conditioner not only cools but also dehumidifies the air. So, when your Haier air conditioner isn't keeping up its end of the bargain, we have you covered. Solution 1: Air Filter. To defrost coil, set to FAN ONLY mode and set temperature higher. Haier Air Conditioner Repair Help. The front panel display will show STOP indicating that the water tank is full and needs to be emptied. This is normal during days with high humidity. Check supply registers and return grills for blockage. 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. DO NOT drill a hole in the cabinet base. Therefore, air noise will be heard when the fan is operating.The compressor also makes a noise while operating. Air conditioner cycles on and off too much or does not cool room in cooling mode. Need help finding your model number? Replace the fuse or reset the circuit breaker. Get more specific information by entering your model number. • Check if unit is plugged in. Enter your appliance's model number to download manuals for your product. Interconnecting low voltage wiring damage. Newer air conditioners do not emit the ‘blast" of cold air you may be accustomed to from older air conditioners, but this is not an indication of lesser cooling capacity or efficiency. Plug into a grounded 3 prong outlet. Allow time for the room to cool down when you turn on the unit. Haier air conditioners are new technologies of comfort. Air conditioner fan not working. The unit has a tank built into the unit which must be emptied periodically. Turn on unit using remote control or on control panel. Some Haier air conditioners have a … The air conditioner should slope slightly downward toward the outside. The temperature control may not be set correctly. This is normal during days with high humidity. Find solution. Shop clearance deals at our official Warehouse Store, Haier - Portable Air Conditioner STOP in Display, Haier - Ductless Air Conditioner Wall Unit Display Turns Off, Haier - Ductless Air Conditioner Temperature On Unit Higher Than Measured Temperature. Vent has to be closed for optimum cooling. Is thermostat switch incorrectly adjusted? An alternate solution would be to use a hose to drain the unit automatic... Haier smart appliances help you stay connected to your home, no matter where you are. The plug may have come loose. ■ The current air conditioner replaced an older model. If there is water dripping inside the room, check the installation of the unit. The use of more efficient components may cause the air conditioner to run longer than an older model, but the total energy consumption will be less. At compressor terminals, voltage must be within 10% of rating plate volts when unit is running. • Redirect the airflow. And when you can’t get to the bottom of an issue, contact us or schedule a service call online. Tilt the unit 1/4" outside to drain the excess water produced. On the ductless (split air) remote control, press the "light" button to return the wall unit display to being constantly lit. No output of four-way valve during heating program, Available output of relay JK7 on indoor board, Socket CN6 is not plugged well with connection cable, Available output of relay JK5 on indoor board, Socket CN4 is not plugged well with connection cable, During cooling program, the compressor does not start when the temperature meets proper conditions, The compressor will work normal after three minutes, Too low temperature of indoor coil pipe causes overcooling protection, It will restore automatically when the temperature of indoor coil pipe rises to 7°C, No output at 11 pin of 2803 on indoor board, Connection cable between the compressor and JK6 isn’t plugged well, During heating program, the compressor does not start when the temperature meet proper conditions, 3 minutes’ delay protection for compressor, Too high temperature of indoor coil pipe causes overheat protection, It1 will automatically restore when the temperature of indoor coil pipe falls to 57°C, No output at 11 pin of 2803 of indoor board, During heating program, the compressor does not start when the temperature meet proper, Available output of relay JK6 on indoor board, Connection cable between compressor and JK6 isn’t plugged well, During cooling program, the compressor works while outdoor blowing fan does not, No output at collector of Q2 on indoor board, Available output of relays on indoor board, During heating program, the compressor work while outdoor blowing fan does not, It will automatically restore when the temperature of indoor coil pipe falls to 57°C, With timing indicator and compressor indicator extinguishing, the operation indicator flashes every second, With timing indicator and compressor indicator lighting, the operation indicator flashes every second, Damaged temperature sensor for indoor coil pipe, Water pump indicator flashes every second (trouble for water discharging), No output at 13 pin of 2803 on indoor board, Socket CN5 is not plugged well with connection cable, Faulty connection cable to transmit float feedback signal. Do not operate the unit when the outside temperature is below 61°F. The unit will not run until the tank is emptied. Below are the most common noises or sounds:Air FlowAn air conditioner must circulate indoor air to heat/cool the occupied space. ■ Too many appliances are being used on the same circuit. Chat, email, or give us a call. Air conditioner working but room not cooling: • Room may have appliances that produce heat. See “Electrical Requirements.”, Air conditioner blows fuses or trips circuit breakers. Press sleep button 10 times within 5 seconds (and the buzzer will beep 4 times), the system is then set to power breakdown memory mode. Power supply cord is not plugged into an outlet. If the air filter is clogged, air cannot flow properly through the air conditioner. See the Installation Instructions. Air conditioner is freezing up; ice forming on coil. Use an exhaust fan to remove excess heat. If your appliances have been exposed to water due to flooding, there could be danger of fire or electrical shock. Is plug firmly inserted?