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Christopher FigueroaSep 23, 2025
How to fix Zerocrossing malfunction of outdoor unit in AC Pro AWH30LB-D3DNA3D/I Air Conditioner?
- JjfullerSep 23, 2025
Replace outdoor control panel AP1.
How to fix Zerocrossing malfunction of outdoor unit in AC Pro AWH30LB-D3DNA3D/I Air Conditioner?
Replace outdoor control panel AP1.
What causes an open or short circuit in the outdoor discharge temperature sensor of AC Pro Air Conditioner?
If the AC Pro Air Conditioner detects an open or short circuit in the outdoor discharge temperature sensor, it may be because the outdoor temperature sensor isn't connected properly or is damaged, or the head of the temperature sensor hasn't been inserted into the copper tube. During cooling and drying, the compressor will stop after about 3 minutes, while the indoor fan will operate. During heating, the entire unit will stop after about 3 minutes.
What causes an open or short circuit in the outdoor condenser temperature sensor of AC Pro AWH30LB-D3DNA3D/I?
If the AC Pro Air Conditioner detects an open or short circuit in the outdoor condenser temperature sensor, it may be because the outdoor temperature sensor hasn't been connected properly or is damaged. During cooling and drying, the compressor stops while the indoor fan will operate. During heating, the entire unit will stop.
Why AC Pro Air Conditioner displays outdoor ambient temperature sensor open or short circuited?
If the AC Pro Air Conditioner detects an open or short circuit in the outdoor ambient temperature sensor, it may be because the outdoor temperature sensor hasn't been connected properly or is damaged. During cooling and drying operating, the compressor stops while the indoor fan operates. During heating operation, the complete unit will stop operation.
What causes a malfunction protection of the jumper cap in AC Pro Air Conditioner?
If the AC Pro Air Conditioner experiences a malfunction with the jumper cap, it could be due to the absence of a jumper cap on the mainboard, incorrect insertion, damage to the cap, or an abnormal detecting circuit on the mainboard. In this case, the wireless remote receiver and buttons will be effective, but related commands cannot be executed.
Why does AC Pro Air Conditioner activate power protection?
To protect the electronic components when detect high power.
How to troubleshoot module high temperature protection in AC Pro Air Conditioner?
If the AC Pro Air Conditioner requires module high temperature protection, after de-energizing the complete unit for 20 minutes, check whether the thermal grease on the IPM Module of the outdoor control panel AP1 is sufficient and whether the radiator is inserted tightly. If this doesn't resolve the issue, replace the control panel AP1.
How to fix AC Pro AWH30LB-D3DNA3D/I Air Conditioner limit or decrease frequency due to high temperature of module?
If the AC Pro Air Conditioner needs Limit/ decrease frequency due to high temperature of module, discharging after the complete unit is de-energized for 20mins, check whether the thermal grease on IPM Module of outdoor control panel AP1 is sufficient and whether the radiator is inserted tightly. If its no use, please replace control panel AP1.
What causes a malfunction of complete units current detection in an AC Pro AWH30LB-D3DNA3D/I Air Conditioner?
If the AC Pro Air Conditioner has a malfunction in the complete units current detection, it indicates a circuit malfunction on the outdoor unit's control panel AP1, requiring replacement of the outdoor unit's control panel AP1. During cooling and drying, the compressor will stop while the indoor fan will operate. During heating, the entire unit will stop.
Why is AC Pro Air Conditioner decreasing frequency due to high air discharge?
If the AC Pro Air Conditioner is decreasing frequency due to high air discharge, it may be caused by overload or high temperature, insufficient refrigerant, or a malfunction of the electric expansion valve (EKV). All loads will operate normally, but the compressor's operation frequency will be decreased.
General| Type | Split System |
|---|---|
| Model | AWH30LB-D3DNA3D/I |
| Cooling Capacity | 30000 BTU |
| Heating Capacity | 30000 BTU |
| Power Supply | 220-240V/1Ph/50Hz |
| Refrigerant | R-410A |
