Ocean f/f sensor dilema

Hi guys,
Two days ago this (TN 2437 / CPF7951A / SN001551762) came with first problem: clogged filter. After that it was revealing another problem:
Start compressor only after few hours, work until reach 2’C on freezer!!!
Pause few hours (inside temperature grows to positive 10’C). 😕

Open electronics reveals another problem: fridge and also freezer sensor were changed with relative (I do not know which is good because all three have different resistance at room temperature from 4.7KOhm to 10KOhm but at -20’C have approx. same 30KOhm). You perhaps ask from where is the third sensor? Fridge sensor located inside foam remained there and was attached inside another one. 😈

Just for “fun” I made PCB-test on my work table with two sensors with same resistance (4.5KOhm at 16’C) and starts and operate OK (I do not know if works fine also at minus temperature). 💡

Did any know the value table for this sensor or meet this kind of situation? ❓ ❓ ❓