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Kelly, Appliance Technician
Category: Appliance
Satisfied Customers: 22579
Experience:  Highly accurate diagnostician with over 30 years experience!
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Subzero 642 has been making humming noise intermittently and

Customer Question

Subzero 642 has been making humming noise intermittently and temp is -22 in freezer. Awaiting diagnostic visit. At risk for anything Noise is now every minute.
Submitted: 1 year ago.
Category: Appliance
Customer: replied 1 year ago.
The on iff switch did not turn the units off except the light. Sound and condenser kept running so I turned off fuse. The sound which last night occurred every 10 min was now happening every 30 sec.
Customer: replied 1 year ago.
Turned off breaker switch
Expert:  Kelly replied 1 year ago.

Hi, welcome to Just Answer. My name is ***** ***** I look forward to helping you! I suspect you have a wiring issue if turning the unit off allowed the compressor to stay running. The noise is probably related to compressor electrical, possible a faulty relay. Have you heard any clicking noises?