Bosch Refrigerator Error Code E07

E07 means the freezer compartment evaporator temperature sensor is reporting a value outside the valid range, specifically at or above 60°C or at or below -55°C. The control board flags this because those readings are physically impossible under normal operating conditions. The fault points to a broken sensor wire, a short-circuit in the sensor circuit, or loss of contact at a connector. The sensor itself may also have failed internally.

Operating the refrigerator with an active E07 fault is not recommended for extended periods. Without a functioning evaporator sensor, the control board cannot accurately regulate freezer temperatures, which may cause the freezer to run too warm or cycle incorrectly. Food safety can be compromised if the freezer temperature rises above safe levels. Address the fault as soon as possible to restore proper temperature control.

Repair costs depend on which component has failed. A replacement evaporator temperature sensor typically costs in the range of $15 to $50 for the part alone. If a technician is needed for diagnosis and installation, total service costs generally fall in the range of $100 to $250, depending on local labor rates and the complexity of accessing the sensor. A control board replacement, if required, would be a higher expense.

Many E07 repairs are accessible to a knowledgeable DIYer. Start by visually inspecting the freezer evaporator sensor wiring and connector for obvious damage, corrosion, or loose pins. If the wiring looks intact, use a multimeter to check continuity through the harness and measure the sensor resistance to determine whether the sensor element has failed. Replacing a sensor or repairing a harness connection is generally straightforward, but working near refrigerant lines requires care to avoid damage.

A reset may temporarily clear the displayed code, but the error will return if the underlying sensor fault is still present. Resetting without repairing the sensor, wiring, or connector does not fix the problem and can delay proper diagnosis. Perform the reset only after completing repairs to confirm that the fault has been resolved and does not reappear.