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HomeRepair HelpAmana Central A/C RepairAmana Central air conditioner is frequently cycling/short cycling Repair
Amana Central air conditioner is frequently cycling/short cycling
Is your Amana central air conditioner short cycling? Meaning it turns on and off repeatedly, start with the air filter. A clogged filter restricts airflow through the furnace or air handler, reduces cooling capacity, and can cause the evaporator coil to frost over, making the AC cycle too often. Next, check the outdoor condenser coils. Dirt and debris prevent the coils from releasing heat, which makes the compressor work harder, overheat, and shut down before the home reaches the set temperature. If the filter and condenser coils are clean, a defective wall thermostat or thermostat wiring may have failing electrical contacts that intermittently control power to the furnace, air handler, or condensing unit. A failed control board can also interrupt power and cause frequent cycling. Replace filters and clean accessible coils only with power disconnected. Testing or replacing thermostats, control boards, and other electrical parts may involve low-voltage and 240V components, so use caution and hire a licensed HVAC technician for line-voltage work. Refrigerant or sealed-system repairs require EPA 608 certification. Enter your Amana model number to find the exact replacement air filter, thermostat, control board, or other part for your central air conditioner.
01 - Amana Central Air Conditioner Air Filter
Check and replace the air filter at least twice a year, more often in dusty/dirty environments or if there is a pet in the home. A clogged air filter will greatly reduce the air flow of the furnace or air handler which can result in the unit short cycling when trying to cool the home.
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Highly Likely
02 - Condenser Coils are Dirty
The condenser coils dissipate the heat as the refrigerant passes through the coils. If the condenser coils are dirty, they won’t be able to dissipate the heat as effectively. As debris builds up on the coils, the heat pump will become less efficient, causing the unit to work harder to cool down. If the coils are significantly dirty, the heat pump will not be able to remove the heat from the outdoor coil, resulting in the compressor overheating and short cycling. Check the condenser coils to determine if they are dirty. Refer to owner's manual for cleaning instructions.
Common
03 - Amana Central Air Conditioner Wall Thermostat
The wall thermostat has electrical contacts that control the power supply to the furnace, air handler and condensing unit. If the contacts in the thermostat fail, the cooling system may turn on intermittently. To determine if the thermostat is defective, use a multimeter to test it for continuity. If the wall thermostat does not show proper continuity, replace it.
Less Common
04 - Amana Central Air Conditioner Wifi Thermostat
The WiFi thermostat has electrical contacts that control the power supply to the furnace, air handler and condensing unit. If the contacts in the thermostat fail, the cooling system may run intermittently. To determine if the thermostat is defective, use a multimeter to test it for continuity. If the WiFi thermostat does not show proper continuity, replace it.
Less Common
05 - Clogged Air Filter
If the air filter is clogged, air cannot flow properly through the home's venting system. This greatly reduces the cooling capacity of the air conditioner. In addition, if the air filter is clogged, the evaporator coils will frost over and not be able to remove moisture from the air. The air filter should be checked and replaced at least twice a year, more often in dusty/dirty environments. Refer to owner's manual for guidance.
Less Common
06 - Amana Central Air Conditioner Control Board
The control board regulates the power supply to all of the components of the furnace or air handler. If the control board fails, it might not send voltage to parts of the cooling system, causing a loss of cooling and frequent cycling.
Less Common
Frequently Asked Questions
Why is my Amana central air conditioner short cycling?
Can a dirty air filter cause central air short cycling or weak cooling?
How do I test an Amana thermostat that is causing the AC to cycle on and off?
How should I clean dirty condenser coils when my AC is short cycling?
How do I find the correct Amana central air conditioner replacement part?
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