Thermador Oven Error Code E107

Error code E107 on a Thermador oven indicates that the door latch mechanism on the upper or single cavity (designated as Cavity 1, or Cvt 1) has failed to release from its locked position. The door latch is an electromechanical assembly that engages during self-clean cycles to secure the oven door at high temperatures. When the control board sends an unlock command at the end of a cycle and does not receive confirmation that the latch has retracted, it triggers E107 to alert the technician or user that the latch remains in the locked state.

The latch assembly typically consists of a motorized actuator, a set of microswitches or position sensors, and a latch hook that engages a strike on the door. The control board monitors latch position through these switches. If the motor fails to drive the latch to the open position, or if a position switch provides no feedback signal confirming the unlocked state, the board interprets the condition as a latch unlock failure. Contributing factors include a burned-out latch motor, a faulty or misaligned microswitch, a stripped or jammed latch gear, or wiring faults such as broken leads or corroded connectors in the latch circuit.

The first diagnostic step for E107 is to refer to Diagram 2/4, which maps the latch assembly components and wiring connections specific to the upper or single cavity configuration. Technicians should use this diagram to trace the latch motor circuit, verify continuity through the latch wiring harness, test switch operation with a multimeter, and inspect the latch mechanism for physical obstructions or mechanical damage before replacing any components.