1: The indoor unit or outdoor unit is not operating Whe […]
1: The indoor unit or outdoor unit is not operating
When the central air conditioner is not cooling, first check whether the air conditioner is operating normally, including the indoor unit and the outdoor unit, especially the compressor of the outdoor unit. As long as one of the compressors is not operating normally, you must ask a professional to repair it.
Two: Temperature adjustment is unsuitable or doors and windows are not closed properly
Unclosed doors and windows of the room will also cause the central air conditioner to not be cooled. No matter what the air conditioner is in normal operation, the room is required to be closed. Therefore, when the central air conditioner is not cooling, you need to check whether the doors and windows in the room are closed. To
Three: There is a problem with the power supply or voltage
Power supply or voltage problems are common in summer, because in the hot summer, the electricity consumption is relatively large, and the electricity load is severely exceeded, which will cause the central air-conditioning to not be cooled. There is nothing better in this situation. The best way is to negotiate with the local property to increase the rated power of the electricity, and then buy a better voltage regulator.
Four: The air filter is blocked
Due to the long-term use of the air conditioner, the filter is blocked without regular cleaning, and the sediment will accumulate over time, which will eventually cause the central air conditioner to not be cooled. It is recommended to regularly maintain and maintain the central air conditioner. Generally speaking, professional central air-conditioning companies will provide two years of cleaning and maintenance work.
Five: There is a problem with the line between the internal and external machines
The wiring between the internal and external machines is also one of the frequent sources of faults. If such a fault occurs, it is recommended to check whether the wire joints are welded and wrapped with waterproof insulating tape. This is a more important step, and it is recommended that professionals solve it. To
Six: Fault code appears
The central air-conditioning failure generally has a corresponding code prompt. In general, users only need to find the cause of the failure through the code. As for the meaning of the code, it doesn’t matter if you don’t understand it. It’s good to understand that this is a reason that the central air conditioner is not cooling. It is recommended to ask professionals to eliminate it.