Cause: If the mini-split unit is not reponding to the remote control, there are a number of causes that can be causing the issue. Despite hearing the sound of the AC turning on, your house is not cooling down as it used to. An indication that the control board is not working, is not running the fan or compressor circuit. It looks like a commercial on/off switch. When i switch it onto heating, the unit starts up but after a while the timer light comes on and blinks 4 times and the unit stops working. Remember that electricity can be dangerous – even deadly. This is the place where heat from the indoor is transferred from the indoor to the outdoor and is rejected to the surrounding. When operating the unit with burning equipments, regularly ventilate the room to avoid oxygen insufficiency. The air conditioner also is connected to a circuit breaker or fuse at the electrical panel (breaker box). Hitachi Ac white light blinking 7 times and outdoor fan not rotating and indoor not responding to remote The thermistor on the outside unit has failed. A split air conditioner is also commonly known as ductless split or mini split where there is an outdoor unit and an indoor unit. Good day, my Hitachi indoor outdoor unit is not working. Do not direct the cool air coming out from the air-conditioner panel to face household heating apparatus as this may affect the working of … Hitachi Air Conditioner Remote Controller Alarm Codes. If the unit beeps when a button is pressed, the remote control works fine and you only need to . Replace it. Locate the isolator switch on the unit or on the wall beside the unit. This portion is used almost all air conditioner units to help control various parts. Locate your outdoor unit. After some investigating, you determine that your outside AC unit isn’t running but the inside is. Turn the isolator switch back on after one (1) hour. The outdoor unit continues to operate even if operation is stopped. If your outside ac unit not turning on and you have confirmed that the power source is good, then the problem may be the electronic control board. Most common reasons behind Hitachi AC Outside fan Problems are The condenser unit fan is a blower that moves outdoor air across the condensing coil found in the outdoor compressor/condenser unit. Suggestions: Verify the remote control has new working batteries. A properly working AC unit is a luxury we often take for granted; and, if your unit suddenly stops functioning, you’ll want to know how to perform some air conditioner troubleshooting steps to determine what’s wrong. When operating the unit with burning equipments, regularly ventilate the room to avoid oxygen insuf ciency. The outdoor unit consists of a compressor, a fan and the condenser. Do not direct the cool air coming out from the air-conditioner panel to face household heating apparatus as this may affect the working of … i have another same unit elsewhere in the house and have tried that remote in case it was the remote but the same issue comes up. Keep in mind that your air conditioner outdoor unit will be connected to a dedicated 220 or 240 volt disconnect or circuit breaker located near the air conditioner unit. Fortunately, an air conditioner will keep your home comfortable and keep you from getting burned out, literally. Typically, this means one of two things: your outside AC hums but the fan doesn’t spin or the entire outside AC unit isn’t working at all. ... the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. 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