Power light flashing error codes of Mitsubishi Electric air conditioners
The power light flashing error codes of Mitsubishi Electric air conditioners include:
1- Light flashes 1 time: Faulty indoor circuit board, broken sensor, poor connection line.
2- Light flashes 2 times: Faulty room temperature sensor.
3- Timer light flashes 5 times: Voltage filter malfunction, faulty outdoor unit circuit board.
4- Timer light flashes 6 times: Outdoor unit motor malfunction. It could be a faulty fan motor or poor connection.
5- Continuous timer light flashing but only once: Faulty sensor at the outdoor unit. Poor connection, broken sensor. Another possible cause is a malfunctioning outdoor unit board.
6- Continuous timer light flashing in 4 times: This error occurs when the compression line sensor is no longer functioning properly and stable.

Timer light flashing error codes of Mitsubishi Electric air conditioners
The timer light flashing error codes of Mitsubishi Electric air conditioners include:
1- Timer light flashes once: Mechanical blockage, Power Transistor short-circuited.
2- Timer light flashes twice: Outdoor unit malfunction. Blockage detected.
3- Timer light flashes three times: Gas leakage or components touching each other.
4- Timer light flashes four times: Faulty Power Transistor.
5- Timer light flashes five times: Gas shortage, gas valve not open. Discharge sensor malfunction.
6- Timer light flashes six times: Signal transmission error, indoor unit board malfunction.
7- Timer light flashes seven times: Faulty outdoor unit fan. Circuit board malfunction may occur.

How to troubleshoot flashing lights on Mitsubishi Electric air conditioners
After consulting the error codes through the table above, you can choose one of the two solutions below:
+ Option 1: For simple errors within your understanding and confidence level, you can attempt to fix the issue at home. When repairing the air conditioner, remember to switch off the circuit breaker for safety.
+ Option 2: If you lack confidence and knowledge for repairs, contact the Mitsubishi Electric air conditioner service center or reputable air conditioner repair technicians for the best assistance.

Tips for using Mitsubishi Electric air conditioners to enhance durability and reduce malfunctions
To efficiently use Mitsubishi Electric air conditioners and ensure durability while reducing malfunctions, consider the following tips:
+ Avoid running the air conditioner continuously for 24 hours a day, as it can cause the unit to overwork and strain.
+ Use additional fans while running the air conditioner to facilitate quick and even airflow throughout the room.
+ Set the appropriate temperature, with a temperature difference of no more than 10 degrees Celsius compared to the ambient temperature. For example, if the outdoor temperature is 38 degrees Celsius, set the air conditioner to around 28 degrees Celsius.
+ Avoid setting the temperature too low below 20 degrees Celsius for extended periods. The ideal temperature range to set is between approximately 23-28 degrees Celsius.
+ Place a bowl of water or use a humidifier in the air-conditioned room to add moisture and prevent dry skin.
+ Regularly clean and maintain your Mitsubishi Electric air conditioner on a scheduled basis.

Here is a summary table of the Mitsubishi Electric air conditioner flashing light error codes, hoping it will be helpful for you. Some of the best and most trusted models of Mitsubishi Electric air conditioners in Vietnam that you can consider include: Mitsubishi Electric 1 HP Inverter Single Split MSY-GH10VA; Mitsubishi Electric Inverter 2 HP MSZ-HL25VA; Mitsubishi Electric 1 HP Single Split MS/MU-JS25VF; Mitsubishi Electric Inverter 1.5 HP MSY/MUY-JW35VF; Mitsubishi Electric Inverter 1 HP MSY/MUY-JW25VF…