AC compressor cycles on for no reason ( I think)

steveO

Original poster
Member
Apr 6, 2012
91
With the outside temp nowhere near needing A/C (40 DEGREES and same when even lower)
With cabin temp set to 70 degrees, the compressor cycles on and off for a period of time.
This cant be normal? What would cause this to happen?
 
Dec 4, 2011
520
This is normal. The AC cycles a little to reduce the humidity in the cabin and help defrost the windows.
 

steveO

Original poster
Member
Apr 6, 2012
91
I didnt have the defrost mode set, just using the climate control system.
I can say I dont recall this as happening before but maybe I never really noticed it till now.
If this is normal then I guess I have nothing to be concerned with.
Thanks
 

The_Roadie

Lifetime VIP Donor
Member
Nov 19, 2011
9,957
Portland, OR
Agreed. You can force it off with the snowflake button, but not if you're in RECIRC or DEFROST mode, where the controller will override and cycle the compressor for dehumidification.
 

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