Freezer not freezing properly; ice cream soft; refrigerator compartment may still be cool.

Safety first: Do not attempt to open the sealed refrigeration system yourself. Unplug the unit before any inspection.

Checks:

• 1. Listen and feel: Verify that the compressor and fans are running. If they are, but cooling is weak, a sealed system issue is possible.
• 2. Check frost pattern: Remove the freezer rear panel and inspect the evaporator. A normal system shows even frost across most of the coil. Frost only on a small section near the inlet suggests low refrigerant or restriction.
• 3. Inspect for oil stains: Look around joints and coils for oily residue, which can indicate a refrigerant leak.
• 4. Professional repair: Sealed system repairs (leak detection, evacuation, recharging, component replacement) require certified refrigeration tools and must be done by a licensed technician familiar with Siemens systems.

Note: Continuing to run a refrigerator with a sealed system fault can overheat and damage the compressor.