E10 displayed; freezer may not cool and compressor does not run even though the display appears normal.

Safety first: Unplug the freezer. Do not attempt to bypass safety devices or run the compressor directly from mains unless you are a qualified technician.

Check compressor operation:

• Listen for any attempt to start when the unit is powered (before unplugging). A repeated click without compressor hum suggests a control or start issue.

Inspect main PCB:

• Access the main control board at the rear base.
• Look for burned areas near the compressor relay/triac and output terminals.
• Check that the compressor output connector is firmly seated and not heat-damaged.

Compressor checks:

• With power disconnected, test compressor windings for continuity and shorts to ground.
• If the compressor is shorted, it may have damaged the board and will require professional replacement.

Corrective actions:

• Replace main PCB: If the compressor drive components on the board are visibly damaged or E10 persists after verifying the compressor is good, replace the main control board with the correct Blomberg part.
• Replace compressor (pro only): If the compressor is shorted or seized, a sealed system technician must replace it and recharge the system.

Test: After board replacement, restore power and confirm that the compressor starts and runs steadily, and that E10 does not return.