Over-freezing service — if freezer too cold (food rock-hard or temp below -25°C), bad thermostat not shutting off compressor at right time. Result: high bill + compressor wears fast.
See if any of these signs match your device — each one increases the likelihood of this fault.
These are the causes we encounter while repairing Freezer too cold — ranked from most to least common.
Bad thermostat (most common) — doesn't turn off compressor
Thermostat sensor in wrong position
Thermostat set to coldest
Bad electronic control board
Stuck defrost timer (compressor runs constantly)
Internally broken cold control knob
Any of the following = a danger signal — call now and don't try to fix it yourself.
On-site diagnosis, clear pricing before any work, and a documented 6-month warranty.