Display shows E6; interior fan may not run and temperature is uneven inside the cabinet.

Safety first: Disconnect power before accessing internal panels or the fan assembly.

Steps to address E6:

• Listen for fan operation: With the door closed and unit powered (before unplugging), listen for the evaporator fan. If silent while compressor runs, suspect a fan issue.
• Remove internal rear panel: After unplugging, remove the rear liner panel to access the evaporator and fan.
• Check for ice or obstructions: Ensure the fan blades can spin freely. Remove any ice buildup by defrosting the unit; do not chip ice with sharp tools.
• Inspect wiring: Verify the fan motor connector is firmly attached and wires are not damaged.
• Test fan motor: With a multimeter, check for continuity across the fan motor leads. An open circuit indicates a failed motor. On DC fans, you may also check for supply voltage from the PCB (only if you are qualified to test live circuits).
• Replace fan motor: If defective, install a new evaporator fan motor assembly designed for Siemens wine coolers. Ensure correct orientation and that the blades do not rub on housing.

If E6 remains with a new fan and good wiring, the main control PCB may have a failed fan driver and should be replaced by a technician.