Before you call a air conditioning aid mend man to check your air conditioner that's not cooling you may want to check some of these potential causes. First and most certain is to be sure your system air filter is not restricted. In many cases this will cause your evaporator or indoor coil to ice up. If the system has a fan v-belt make sure it is not cracked broke or slipping. If the evaporator coil is froze up you may notice condensate leaking in and colse to the furnace, air handler or window type A/C unit. Other more apparent sign would be certainly finding ice build up on the coil or refrigeration lines connecting the evaporator and condenser.
Another cause for your system frozen up could be complete or blocked contribute registers. In some cases people will close registers to unoccupied areas of their home for vigor savings but windup to many can cause more problems than it's worth. system ice ups can also be related to a lose of refrigerant with in your air conditioner. If your system is low on refrigerant you will have to have a remarkable air conditioning mend technician uncover and mend the leak as well as properly recharge the system. Any time your air conditioner system is froze up you should place the thermostats fan switch to the on position and the cool system switch to off for a long enough time to allow the coils to fully thaw. After checking some or all of the potential problems you can try to run the air conditioner again. If you have air blowing out of your contribute registers but it's not cool you will want to check the condenser or out door unit to be sure it is running. If you do not hear anyone running check the breaker or disconnect switch at the condenser. Their may also be bad fuses in the disconnect box. Tripped breakers or blow fused are typically caused by problems that need to be addressed by a technician . It is potential that a power surge or electrical storm could also cause a breaker to trip and once you reset it the system will be fine. Other coarse cause for the condenser not functioning is a broken or shorted low voltage wire. Mice and other rodents will tend to chew though these wires. The low voltage wire is typically a small two conductor wire that runs along side the refrigerant lines. If the condenser is running but not cooling you may want to clean it. This can be done by turning off power to it, then wet it down with a orchad hose. Apply a air conditioning coil cleaning solvent to the coil surface. Favorable aerosol spray cans or mixable powder form can be purchased online at Hvac Maintenance & Supplies.
Honeywell Pressure Switch
(www.mainsupplies.com) Allow the coil to soak for 3-5 minutes then flush out with a orchad hose. Be sure the water pressure is not so high that it damages the coil fins. A coil fin tool, also available online at Hvac Maintenance & Supplies can be used to straighten the fins. Repeat this process until the water starts to flush out relatively clear. Safety glasses and rubber gloves should be worn when using coil cleaning chemicals. If your air conditioner is a conveyable window type you can considered remove the units outer casing, apply coil cleaner to both evaporator and condenser coils then flush with water. Most dirt will build up on the inside of the condenser coil that can not be seen with out removing the units outer casing. These tips may not conclude all your air conditioning problems but I can tell you that as a aid technician myself these are some of the most coarse problems I have encountered.
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