What to do if my Daikin LRMEQ3BY1 has electronic expansion valve abnormality?
- CChristopher ConnerSep 23, 2025
If your Daikin Air Conditioner shows an electronic expansion valve abnormality, check the actuator or connection on the PCB.
What to do if my Daikin LRMEQ3BY1 has electronic expansion valve abnormality?
If your Daikin Air Conditioner shows an electronic expansion valve abnormality, check the actuator or connection on the PCB.
What to do if my Daikin LRMEQ3BY1 shows an abnormal discharge pipe temperature?
An abnormal discharge pipe temperature in your Daikin Air Conditioner could be due to a refrigerant shortage. If that's the case, charge additional refrigerant. It could also be caused by a defective discharge thermistor or outdoor unit PCB, so replace the defective component. Finally, it may be due to clogging of the expansion valve for injection, so repair the clogging.
What causes inverter compressor motor lock in Daikin LRMEQ3BY1 Air Conditioner and how to fix it?
If the inverter compressor motor in your Daikin Air Conditioner is locked, it might be because the stop valves are closed. Open the gas and liquid stop valves to resolve this. Another potential cause is incorrect wiring. Make sure you ensure correct Phase order Wiring.
What to do if my Daikin LRMEQ3BY1 Air Conditioner has a 3?sensor error?
If your Daikin Air Conditioner displays a 3?sensor error, it could be due to a faulty sensor connection, so connect the sensor properly. Alternatively, the sensor or outdoor unit PCB might be defective; if so, replace the defective component.
What causes wet operation from refrigeration suction pipe in Daikin LRMEQ3BY1 Air Conditioner?
Wet operation from the refrigeration suction pipe in your Daikin Air Conditioner can be caused by excessive frost formation on the indoor side. Adjust the defrost cycle to resolve this. It could also be due to the wrong selection of expansion valves. In this case, select the correct type of expansion valve.
What to do if my Daikin Air Conditioner's outdoor unit fan motor malfunctions?
If the outdoor unit fan motor in your Daikin Air Conditioner malfunctions, check the actuator or connection on the PCB.
What causes low pressure sensor failure in Daikin Air Conditioner?
If the low pressure sensor in your Daikin Air Conditioner fails, it could be due to a faulty sensor connection. Connect the sensor properly. If the sensor is defective, replace the defective component.
What causes inverter compressor power voltage imbalance in Daikin Air Conditioner?
An imbalance in the inverter compressor power voltage in your Daikin Air Conditioner is caused by an unbalanced power supply voltage. Check if power supply is within range.
How to resolve transmission error between control PCB and inverter PCB in Daikin LRMEQ3BY1 Air Conditioner?
A transmission error between the control PCB and inverter PCB in your Daikin Air Conditioner is likely due to a defective connection between the main and inverter PCB. Replace the defective component to resolve this.
What to do if my Daikin LRMEQ3BY1 Air Conditioner's inverter PCB malfunctions?
If the inverter PCB in your Daikin Air Conditioner malfunctions, check for external causes such as EMI noise, or replace the inverter PCB.
Instructions for connecting refrigerant piping to the outdoor unit.
Procedures for checking refrigerant piping for leaks and vacuum.
Guidelines and precautions for charging refrigerant into the system.
Instructions for connecting electrical wiring to the outdoor unit.
Procedures for making field settings on the outdoor unit.
Instructions for using mode 2 to configure system field settings.
Important precautions to take before performing test operations.
Guide to diagnosing and resolving issues using error codes.
A comprehensive list of error codes, criteria, causes, and solutions.
Instructions for connecting refrigerant piping to the outdoor unit.
Procedures for checking refrigerant piping for leaks and vacuum.
Guidelines and precautions for charging refrigerant into the system.
Instructions for connecting electrical wiring to the outdoor unit.
Procedures for making field settings on the outdoor unit.
Instructions for using mode 2 to configure system field settings.
Important precautions to take before performing test operations.
Guide to diagnosing and resolving issues using error codes.
A comprehensive list of error codes, criteria, causes, and solutions.
| Brand | Daikin |
|---|---|
| Model | LRMEQ3BY1 |
| Category | Air Conditioner |
| Language | English |