Helpful hints for homeowners
Fix your own air conditioner
You may be able to fix your air conditioner on your own. Here are some actions to take before calling DR HVAC for a service call.
Problem: The fan is not running - no air flow from the air registers.
-Check the thermostat to make sure it has power to it; most digital thermostats will be completely blank if there is no power to them. If yours is blank check the batteries if that is how it is powered and turn it back on. If it is hard wired flip the circuit breaker to re-set the system and you should be back cooling again.
Problem: Unit is running but no air supply from the registers.
-If the fan comes on but there is no cooling check for air flow coming out of the supply air registers. If there is no air flow coming out the registers but the fan is running you probably have a clogged filter. Take the filter out and look at it, it it is completely dirty then leave it out and restart your air conditioning system. If you restart the system and the air conditioning does not come on or you get no air flow it is possible you have an iced up coil. You will need to let the ice melt off the coil and let it run into the drain pan. This will take several hours after which you can try to start the system again.
Problem: The fan is running, the return air is working, but no air coming out of the registers.
-You can check the return air air grill by putting a piece of paper flat against the supply air registers. If it sticks you have air flow. If there is no air flow at the supply registers then you are likely leaking air from your ductwork. It is possible one of the ducts has come loose or that a small animal has chewed a hole in the flexible ductwork. The ductwork can be reconnected and duct taped together.
Problem: You have good air flow - but it's not cold.
-Everything seems to be flowing but you don't have cool air coming out of the vents. The problem is most likely in the outdoor unit. Check to see if the compressor and the compressor fan are running. If the compressor is running but the fan is not turning turn it off immeadiately to keep it from damaging the compressor. With the unit turned off take a stick or other tool and give the fan blade a push. IF it moves easily then you probably have a burned out condenser fan motor. If it moves with difficultly you may have a bad bearing which you can treat temporairily with a spray lubricant until you get a technician to replace the fan motor. Make sure the blade is not being blocked by something - in which case you may be able to free it and bend the blade back to normal position. If neither the compressor or fan are turning you may simply need to flip the circuit breaker. If the fuse needs to be replaced you should contact a qualified electrician.
Problem: Unit runs for a few minutes then stops before the house is cooled.
-If you have checked the power and the unit still doesn't run you may be locked out on a high pressure limit. This may be caused by several things one of whcih may be a dirty or clogged condenser coil. Turn the cirucuit to the unit off and take a broom and brush as much dirt, leaves, grass, etc. as you can from the coil. Use a hose and wash off the coil. After cleaning it turn it back on. If the problem was high pressure you should be able to adjust the thermostat and get it to run.
If none of these steps help you may have a serious problem such as a faulty control board, bad capacitor, etc.. It is time to call a qualified company to diagnose the situation.
Heating and cooling help for homeowners in McMinnville, Newberg, Yamhill, Sheridan, and the Greater Yamhill County area.