To Next PageTo Next PageWhat to do if my Hisense 4AMW-81U4RAA Air Conditioner shows IPM and control board communication fault?
To address an IPM and control board communication fault in your Hisense Air Conditioner, you can try the following steps: * Reconnect the cable between the control board and the driver board. * Replace the communication cable between the control board and the driver board. * Replace the driver board. * Replace the control board.
What to do for drainage protection in Hisense 4AMW-81U4RAA?
To troubleshoot a drainage protection issue with your Hisense Air Conditioner, follow these steps: 1. Check the drain hose for blockages or excessive height. 2. Inspect the water pump and replace it if it's faulty. 3. Reconnect the cable of the water level switch, referring to the wiring diagram. 4. Replace the water level switch. 5. Replace the control board.
How to fix communication fault between indoor and outdoor unit of Hisense 4AMW-81U4RAA Air Conditioner?
To resolve communication issues between the indoor and outdoor units of your Hisense Air Conditioner, try the following: * Reconnect the connection cable, referring to the wiring diagram. * Reconnect the communication cable. * Replace the communication cable. * Replace the indoor or outdoor control board. * Check the communication circuit, adjusting the DIP switch and short-circuit fuse. * Ensure you are using a suitable communication cable, referring to the user manual.
What to do if my Hisense Air Conditioner shows compressor overheat protector device?
If your Hisense Air Conditioner's compressor is overheating, you can try the following steps: 1. Reconnect the wiring of the overload protector. 2. Replace the overload protector. 3. Check for leakage at the welding points and recharge the refrigerant if necessary. 4. Add refrigerant. 5. Replace the expansion valve. 6. Replace the outdoor control board.
What to do if my Hisense Air Conditioner turns off for high pressure protection?
To address a high-pressure switch issue or unit shutdown due to high-pressure protection in your Hisense Air Conditioner, try the following: * Reconnect the wiring to the high-pressure protector. * Replace the high-pressure protector. * Replace the outdoor control board.
How to fix Suction temperature sensor fault in Hisense 4AMW-81U4RAA?
To resolve a suction temperature sensor fault in your Hisense Air Conditioner, you can try: * Reconnecting the wiring of the suction temperature sensor. * Replacing the suction temperature sensor. * Replacing the outdoor control board.
What to do if The outdoor DC fan motor (down fan motor) fault in Hisense Air Conditioner?
To address the outdoor DC fan motor fault (down fan motor) in your Hisense Air Conditioner, you can try: * Reconnecting the wiring of the down DC fan motor. * Replacing the down DC fan motor. * Replacing the driver board of the fan motor. * Checking the outdoor fan to ensure it can run normally.
How to fix Discharge temperature sensor fault in Hisense Air Conditioner?
To resolve a discharge temperature sensor fault in your Hisense Air Conditioner, you can try: * Reconnecting the wiring of the discharge temperature sensor. * Replacing the discharge temperature sensor. * Replacing the outdoor control board.
What to do if my Hisense Air Conditioner shows voltage absent phase?
To resolve a voltage absent phase issue in your Hisense Air Conditioner, consider the following: * Check the wiring connection, referring to the wiring diagram. * Replace the outdoor control board.
How to fix outdoor coil temperature sensor fault in Hisense 4AMW-81U4RAA Air Conditioner?
To fix an outdoor coil temperature sensor fault on your Hisense Air Conditioner, you can try: * Reconnecting the outdoor coil temperature sensor. * Replacing the outdoor coil temperature sensor components. * Replacing the outdoor control board components.
Provides cooling and heating capacity data based on indoor and outdoor ambient temperatures.
Shows electrical schematics and fault code diagrams for different model series.
Shows the standard wiring connections between the outdoor unit and multiple indoor units.
Specifies maximum allowed piping lengths and height differences for system installation.
Explains how to read and interpret fault codes displayed on the control board via LED indicators.
Provides a comprehensive table of fault codes, their causes, and recommended troubleshooting steps.
Provides cooling and heating capacity data based on indoor and outdoor ambient temperatures.
Shows electrical schematics and fault code diagrams for different model series.
Shows the standard wiring connections between the outdoor unit and multiple indoor units.
Specifies maximum allowed piping lengths and height differences for system installation.
Explains how to read and interpret fault codes displayed on the control board via LED indicators.
Provides a comprehensive table of fault codes, their causes, and recommended troubleshooting steps.
General| Brand | Hisense |
|---|---|
| Model | 4AMW-81U4RAA |
| Category | Air Conditioner |
| Language | English |
