Troubleshooting Air-conditioner

Air conditioner is almost indispensable at homes and work spaces. They are essential to make your moments indoors more and more comfortable. Most of the repair calls for ACs are due to improper operations. People often do not close the windows and doors of the conditioned rooms which put pressure on the machine to cool the air. Problems also arise due to faulty installation, poor service procedures, and inadequate maintenance. Improper installation is the root cause of leaky ducts and low airflow. Sometimes the refrigerant content of the system is not according to manufacturer’s specifications. If the machine is not properly charged with refrigerant during installation its performance and efficiency will be impaired by and large. Here are some common air-conditioner problems and some tips to trouble shoot them-

If the unit is not running: If your air conditioner is completely dead check if the plug is properly inserted in the socket. Also check the socket for blown fuse or tripped circuit breaker. Another cause could be that the thermostat is not set properly. You can lower the thermostat by five degrees and see if it kicks on. If it does not kick on, then there could be a problem of faulty compressor or motor. This requires professional repair and cannot be handled by you.

Inadequate air cooling: If you feel that the central AC is not cooling property then set thermostat at 5 degrees lower. One of the reasons could be dirty evaporator. Clean the evaporator and then run it for a few hours. If the problem still persists then you have an improperly sized AC. A problem in the distribution system could also be the reason of inadequate cooling. This can be also be due to faulty compressor.

Moreover, when the temperature outside is very high say 100 degrees, then it will not be easy to achieve 60 degrees inside. This is especially true, if you have many windows in the room which bring in lots of sunlight. That is why it is always wise to put heavy draperies on the windows. Always consult a professional before replacing an AC unit.

AC unit runs but doesn't cool: If the AC is not cooling at all, although running then you should check if the thermostat is set correctly. If there is no problem with the thermostat then the condenser needs to be looked at. The condenser could be dirty and blocked, due to tall weeds, grass, and airborne debris. Remove the blockage and clean the condenser. The evaporator could also be dirty. Check it and clean if necessary. A faulty compressor and inadequate refrigerant can be reasons. You have to call a repair service for these two.

Air unit shuts on and off repeatedly: This can happen when the evaporator and condenser units are both dirty and blocked. The problem can be removed by cleaning and removing all obstructions. If this does not eliminate the problem, then the cause lies somewhere deeper. This also happens if the AC unit is too big for the area that it is cooling. This results in rapid wear and tear of the motor and compressor. The wire, terminals, and connection swear off fist.

Sometimes problems in sensor can also result in this. All ACs have a thermostat sensor, located behind the control panel. The job of this sensor is to measure the temperature of air which passes over the evaporative coil. If due to some reason this sensor is knocked out of position, then the air conditioner could cycle off and on frequently and display some erratic behaviour. The sensor should be near the coil but not touch it. If you see such a possibility carefully bend the wire that holds it in place.

Drainage problem: You should always the condensate drain to make sure it isn't clogged. Improper drainage can cause d=several problems.

When to call an HVAC professional?

When you have a basic understanding of part of an AC and its working, you can do a little bit of troubleshooting yourself. You should clean and maintain the unit one regular basis to ensure its long-life. At times some snags will occur which will be beyond the scope of your understanding and trouble shooting. In such a case you should immediately call an AC repair service.

It is always wise to have a maintenance contract for your AC. With these plans you can rest assured that your machine will not have to wait long to get a repair service. These services have round the clock emergency helpline and call out service available all 365 days of the year. They will also come and check your machine at regular intervals. Some maintenance plans offer discounts on replacements parts. In reactive maintenance service you have to pay the whole retail process forth parts you buy. The cost the proactive services are 50% cheaper than reactive services. Moreover, you will be eligible for priority services whenever you call. You can stay assured that servicing representatives will come and address you problem on the same day that you called. This is really helpful in winter seasons when repair calls are rampant and service providers find it difficult to take out time for each of their clients.

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