In recent years, the demand for ceiling-mounted air conditioners has been on the rise, not only in commercial establishments but also in residential settings. However, improper use of air conditioners can lead to malfunctions and issues. Join us at Mytour.vn as we delve into three prevalent problems with the Daikin FHNQ30MV1/RNQ30MV1 and how to resolve them!
1. Daikin FHNQ30MV1/RNQ30MV1 Air Conditioner Runs Continuously but Doesn't Cool
Even after running the air conditioner for a while, the room remains uncooled. This is a sign that your Daikin 30000 BTU FHNQ30MV1/RNQ30MV1 is facing issues.

1.1 Reasons why Daikin FHNQ30MV1/RNQ30MV1 doesn't cool:
- The air filter of Daikin FHNQ30MV1/RNQ30MV1 ceiling-mounted air conditioner is not cleaned after extended use.
- Installation of the air conditioner in a space with an inappropriate area, either too large or too small for 40m2.
- The fan blades on the outdoor unit are not functioning, hindering the exchange and circulation of air.
- Due to insufficient refrigerant or a leaking refrigerant line.
1.2 Troubleshooting for Daikin FHNQ30MV1/RNQ30MV1 Air Conditioner Not Cooling:
- In case of refrigerant depletion, refill the air conditioner with additional refrigerant.
- If not due to refrigerant shortage, check the filter mesh and the evaporator, then clean them thoroughly. The filter mesh should be air-dried before reinstallation into the unit. As per the manufacturer's recommendation, households should clean the air conditioner every 4-5 months, and offices every 3-4 months.
- Regularly inspect the Daikin ceiling-mounted FHNQ30MV1/RNQ30MV1 air conditioning system to promptly detect issues with the fan blades or fan motor. If any malfunctions are found, replace them immediately to avoid disruptions in usage.
2. Daikin FHNQ30MV1/RNQ30MV1 Air Conditioner Leaking Water
If your Daikin 1-way FHNQ30MV1/RNQ30MV1 air conditioner suddenly exhibits water leakage, address the issue promptly to prevent bacterial growth leading to short circuits or electrical leaks.

2.1 Reasons for Daikin FHNQ30MV1/RNQ30MV1 Air Conditioner Leaking Water:
- Dust accumulation on the air conditioner evaporator coil hinders the dispersion of cold air and prevents water vapor from condensing and draining properly.
- Due to a clogged water pump drain line.
- If the air conditioner experiences refrigerant leakage, it leads to snow accumulation on the evaporator and condenser coils, gradually melting and causing water leakage.
2.2 Troubleshooting for Daikin FHNQ30MV1/RNQ30MV1 Air Conditioner Leaking Water:
- In case of ceiling-mounted air conditioners with refrigerant leakage causing water leakage, the solution is to replenish the refrigerant.
- If the issue lies with the water pump drain line, contact the repair center to inspect the drainage system.
- Perform regular maintenance and cleaning of the air conditioner to ensure its durability.
3. Daikin FHNQ30MV1/RNQ30MV1 Air Conditioner Condenser Failure
The ceiling-mounted Daikin FHNQ30MV1/RNQ30MV1 gas R410A air conditioner experiencing condenser failure is also a common issue that disrupts the usage process.

3.1 Reasons for Daikin FHNQ30MV1/RNQ30MV1 Air Conditioner Condenser Failure:
- Air conditioner running in overload with excessively low temperatures.
- Weakened performance of the air conditioner fan.
3.2 Troubleshooting for Daikin FHNQ30MV1/RNQ30MV1 Air Conditioner Condenser Failure:
- Avoid continuous usage of the air conditioner for extended periods; consider giving it a break for 1 to 2 hours occasionally.
- Set the air conditioner temperature appropriately for the room space, avoiding extremes of too low or too high.
- If the fan is damaged, choose a reputable store to purchase and replace it with a new one.
Here, we have compiled three common issues often encountered with the Daikin FHNQ30MV1/RNQ30MV1 air conditioner. We hope that these insights will help you partially understand how to troubleshoot and use your air conditioner more effectively! Thank you for your constant interest and follow-up on Mytour.vn; your support is the driving force for the continuous development of Mytour.vn.
