What Loud Buzzing Clicking Knocking means on your Dacor freezer (dacor freezer knocking noise)
No Dacor document assigns a code to this freezer problem, so treat what follows as a symptom rather than a decode. It is a symptom of a freezer problem, and the manual treats it as one. Knocking is a more mechanical sound than a click or buzz and often points to something physically loose or vibrating against another part, distinct from an electrical start-relay click.

Symptoms
Read these against your freezer: they are what tells Loud Buzzing Clicking Knocking apart from the other things that can go wrong on a Dacor freezer.
- A knocking or thumping sound repeats at a steady interval.
- The sound may be louder when the compressor first starts a cycle.
- A separate buzzing may accompany or follow the knocking.
- The freezer may still be cooling normally despite the noise.
Common causes
None of these causes is exotic, but they are not equally likely on a freezer, so work down them in this order on your Dacor freezer.
- Loose compressor mounting — a mount that has loosened lets the compressor vibrate against the cabinet.
- Fan blade contacting frost or debris — ice buildup narrowing clearance for a spinning evaporator fan blade.
- Loose internal panel or bracket — a panel vibrating against another surface during compressor operation.
- Aging compressor internals — wear inside an older compressor can produce a knocking sound as it runs.
Troubleshooting steps you can try
Try these first on the freezer: they are ordered so the safest and likeliest fix for a Dacor freezer comes before anything needing tools or training.
- Check for visible frost buildup near the evaporator fan that could be contacting the blades.
- Note whether the sound is loudest at start-up or continuous throughout the cycle.
- Confirm the freezer is level and not resting unevenly, which can amplify vibration noise.
- Avoid ignoring a persistent knocking sound, since it can indicate a mount or compressor issue worth catching early.
- Book a technician if the noise continues after ruling out frost contact and leveling.
Parts a technician may replace
Diagnosis on your Dacor freezer usually points at the compressor, compressor mount, and evaporator fan. Nothing is ordered for the freezer until the failing part is confirmed on the freezer itself.
When to call a technician
A technician inspects the compressor mount and internal panels directly, since knocking sounds are hard to trace from outside the cabinet. Medium severity means the freezer can wait, but a recurring Loud Buzzing Clicking Knocking on a freezer should be diagnosed rather than ignored. We service your freezer independently of Dacor, fitting genuine parts and standing behind the labor for 30 days.
Related help and Dacor resources
A freezer that keeps returning to this state needs eyes on it — book the freezer repair, or check whether we cover your area. Specifications for the freezer are at www.dacor.com.