LINE @a175176
Applies to
Upright, glass-door, worktop and freezer cabinets with frost or ice buildup.
TECHNICAL NOTES BY 洧師傅
Commercial refrigerator frosting: how to defrost safely
Frost may come from a door left open, a leaking gasket, blocked airflow or a failed defrost heater, sensor, timer or controller. Removing ice does not fix the underlying cause.
Commercial equipment only — we do not repair household refrigerators.
Quick action guide
Safe checks
Check door closure, gasket gaps, blocked air outlets and photograph the frost pattern.
Stop the equipment
Stop if ice reaches fans, wiring is wet, there is burning smell or repeated tripping.
Request service
Call when frost returns quickly, the fan is blocked or the cabinet cannot reach temperature after safe defrosting.
Safe defrosting
Protect the food
Move stock to suitable cold storage before the cabinet warms.
Disconnect power
Follow the equipment manual and isolate power before accessible cleaning.
Never chip ice
Sharp tools can puncture the evaporator or refrigerant tubing.
Dry before restart
Remove meltwater and ensure electrical areas are dry before restoring operation.
Common questions
Can I use a knife to remove ice?
No. It can puncture tubing or damage the evaporator.
Why does frost return?
Door leakage, airflow restriction or a failed defrost component may still be present.
What should I photograph?
Take the full cabinet, frost pattern, door gasket, controller and nameplate.
Need help with commercial refrigeration equipment?
Send the equipment type, current temperature, photos of the unit and nameplate, and your location on LINE. We will review the information and arrange an on-site inspection.
Commercial equipment only — we do not repair household refrigerators.
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