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70 Common Problems

Sub-Zero Problems

Click the symptom that matches what you're seeing for common causes, quick checks, and when to call a professional.

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Air Purification System Not Working Compressor Cycling On and Off Too Often Compressor Hot To the Touch Compressor Not Running Compressor Running but Not Cooling Condensation Dripping Inside Freezer Condenser Fan Noise Control Board Failure Symptoms Control Panel Frozen or Unresponsive Defrost Cycle Not Working Defrost Drain Clogged Display Not Working Door Alarm Beeping Door Not Closing Properly Door Not Sealing Gasket Issue Door Sweating or Condensation Drawer Refrigerator Not Cooling Error Code Service Light On Evaporator Fan Noise Freezer Column Not Freezing Freezer Drawer Not Sealing Freezer Frost Problems Freezer Frozen Solid Over Frosted Freezer Not Freezing Freezer Warm but Fridge Cold Freezing Food In Refrigerator Section Fridge Runs Constantly Fridge Turning On and Off Fridge Warm but Freezer Cold Gasket Torn or Cracked High Temperature Alarm Won't Stop Beeping Ice Buildup On Back Wall Ice Maker Leaking or Overflowing Ice Maker Making Small or Hollow Cubes Ice Maker Not Making Ice Ice Maker Not Working Ice Maker Slow To Produce Ice Ice Maker Stuck or Jammed Ice Maker Water Line Frozen Interior Light Not Working Leaking Water Inside Leaking Water Onto Floor Making Buzzing or Humming Noise Making Clicking Noise Making Loud Noise Making Popping or Cracking Noise Musty or Moldy Smell Inside No Power Won't Turn On Not Holding Temperature Panel Ready Door Misaligned Refrigerator Column Not Cooling Refrigerator Ice Maker Freezing Over Refrigerator Not Cooling Seal System Leak Freon Leak Start Relay Failure Symptoms Temperature Fluctuating Up and Down Tripping Circuit Breaker Undercounter Refrigerator Not Cooling Water Dispenser Leaking Water Dispenser Not Working Water Dispenser Slow or No Flow Water Filter Light Won't Reset Water Line Leaking Behind Unit Water Pooling In Crisper Drawer Wine Cooler Humidity Too High or Low Wine Cooler Making Noise Wine Cooler Not Cooling Wine Cooler Not Powering On Wine Cooler Temperature Fluctuating Won't Reset After Power Outage
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*SubZero Repair Denver is an independent repair company and is not affiliated in any way with Sub-Zero, Inc., Wolf Appliance, Inc., or any of their distributors. We are not a factory service provider and specialize exclusively in out-of-warranty appliance repairs.

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2055 S Oneida St, Denver, CO 80224 · (720) 674-7147
Call (720) 674-7147