Eppendorf thermomixer 5436 thermoshaker shaker thermo mixer hot dry block only E

Used Eppendorf thermomixer 5436. The unit has a working heating unit (the temp set up correspond to temp read) and and non-working shaking unit (shows E4 message if the shaking regulator engaged). The block accept of 24 tubes with the volume of 1.5 or 2 ml. Will sell as dry block only. no return. no refund. Lot con4/4right