Bosch Nexxt Washer Error Codes Er:05 and Er:06 - E:05 - E:06 - E 05 - E 06
Water temperature sensor is defective and needs to be replaced
How To Diagnose and Repair Bosch Washer WFMC2100UC/01 Er:05 and Er:06
Unplug the washer and see if you can find any loose wires on the water temperature sensor (NTC). If you find any wiring issues, fix it. If the wire connections are okay, replace the water temperature sensor. Part #: 422222 - Water Temperature Sensor