E08
Grundig
Motor Communication / Phase Error (Inverter Models)
Washer shows E08; drum does not turn or turns only briefly at start of cycle.
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Safety Warning
This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.
If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.
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Possible Causes
Faulty inverter motor (BLDC), Loose or damaged motor hall sensor connector, Defective inverter module on main PCB, Damaged motor phase wiring
How to Fix / Troubleshooting
Safety first: Unplug the washer. Inverter-driven motors use high voltage; do not probe live circuits unless you are a trained technician.
Step-by-step checks:
- Inspect motor and connectors: Remove the rear panel. Check the multi-pin connector on the inverter motor for secure fit and no corrosion. Reseat the connector.
- Check wiring harness: Follow the motor cable to the main PCB/inverter module. Look for cuts, pinches, or burn marks. Repair or replace the harness if damaged.
- Hall sensor check: Many Grundig inverter motors have integrated hall sensors. If accessible, test the hall sensor outputs according to the service manual (requires DC supply and oscilloscope or multimeter). If faulty, the motor assembly usually must be replaced.
- Inverter module: If motor and wiring appear intact, the inverter section of the main PCB may be defective. Visual signs include burnt components or bulging capacitors. Replacement of the PCB is required and should be done by a qualified technician.
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Repair Difficulty
Professional Required
5/5
Required Part
Inverter Motor
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