Tag Archives: Capacitor

How to Fix Air Conditioner Blowing Hot Air

There are many different reasons why your AC is blowing warm air. Before calling a professional, check out these common causes that are simple to diagnose and easy to fix on your own.
How to Fix Air Conditioner Blowing Hot Air

I will show you the easy ways to troubleshoot and explain to you the reasons in a very simple way.

Air Conditioner problem: it does blow air but it does not have cool air.

The fan that blows the hot air into the duct is inside your house and controlled by the thermostat. Since there is air (hot air), this fan works. But there is another fan outside your house for the split unit type of air conditioner.

If there is no cool air, check two components that contribute to generate cool air:
1. another fan outside
2. compressor

Start your diagnosis and check three possibilities
1. thermostat
2. outside fan
3. compressor

Eliminate and bypassing the thermostat by pressing the relay:

you may push on the fan to jump start it but since the compressor may not work, you still get no cool air.

need both to be safe:
1. disconnect the power and
2. discharge capacitor

I used masking tape to label the wires

detect a bad capacitor
1. bulged
2. no spark when it is shorted
3. use a capacitor meter to test it

To troubleshoot the compressor, feel the temperature difference between the two tubes if it is a split unit. If it is package unit, then feel the heat exchanger if there is heat transfer.

air conditioner,
cool air,
hot air,
split unit,
temperature difference,
package unit

Repair LCD Monitor In 5 Minute, Works 90% of The Time

There is a very high chance that monitor repair will be very easy to do. Usually circuit troubleshooting requires some skill, but in the case of a bad LCD monitor, it is likely a very simple diagnosis and an easy repair will do the job. The problem is so common that I bet my fix will work 99% of the time. If you are throwing out the monitor anyway, why not give it a try?
Common problem
Blank LCD monitor
Black LCD monitor
Monitor back cover
Easiest Monitor repair
Power supply
Trouble shoot

High definition video may help you see all of this better. This video is shot in 4K UHD setting (if you have 4K TV, you may select this youtube Setting/Quality).

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