Normal Sounds You May Hear
NOTE: Do not drill any holes in the base pan to eliminate these normal sounds. Doing so will void the warranty.
High Pitched Whine
1
Today's high efficiency compressors may have a high-pitched whine during the cooling cycle.
Sound of Rushing Air
2
At the front of the unit, you may hear the sound of rushing air being moved by the fan.
Gurgle/Hiss
3
Gurgling or hissing noise may be heard due to refrigerant passing through evaporator during normal operation.
Pinging or Swishing
4
Droplets of water hitting condenser during normal operation may cause pinging or swishing sounds.
Vibration
5
Unit may vibrate and make noise because of poor wall or window construction or incorrect installation.
TROUBLESHOOTING GUIDE
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