To diagnose a refrigerator repair issue, first check if the fridge is plugged in and the thermostat is set to the correct temperature. Inspect the condenser coils for dust buildup, check the door seals for leaks, and ensure the evaporator fan and compressor are functioning properly. Listen for unusual noises and look for water leaks or ice buildup. Contact FAJ Technical Services LLC f... https://www.fajservices.ae/refrigerator-repair-service/