mypros+
Error code reference

Bosch Refrigerator Error Code F47

Temperature on the ice rod is warmer than 49°C.

Bosch codesBosch refrigerator codes

Temperature on the ice rod is warmer than 49°C.

First step from the service manual

Check if heater is actuated continuously; check sensor.

The complete diagnostic procedure includes additional test steps, resistance specifications, wiring diagram references, and component test points.

MyPros+ Max

Get the full diagnostic procedure for F47.

  • Step-by-step tests with expected resistance, voltage, and continuity values
  • Wiring diagram references and connector pinouts from the OEM service manual
  • Verified part numbers when replacement is required
Get the full procedure

$29/month · Cancel anytime · Or $9.95 3-day pass

What F47 means on a Bosch refrigerator

Error code F47 on a Bosch refrigerator indicates that the temperature sensor on the ice rod has detected a reading warmer than 49 degrees Celsius. The ice rod is a component within the ice maker assembly, and its associated sensor monitors thermal conditions to ensure proper ice production and defrost cycling. When this threshold is exceeded, the refrigerator's control board flags the fault to prevent potential damage from sustained overheating in that zone.

The primary diagnostic focus for F47 is the heater circuit associated with the ice rod. If the heater is being actuated continuously rather than cycling on and off as intended, it will drive temperatures well above the 49 degree Celsius limit and trigger this code. A stuck relay on the control board, a short in the heater wiring, or a failed control board output can all result in the heater remaining energized without interruption.

The ice rod temperature sensor itself is the second major suspect. A sensor that has failed open or shorted can report an inaccurate temperature reading to the control board, causing F47 even if the actual heater operation is normal. Checking the sensor's resistance output and wiring continuity is essential to distinguish a true overheating condition from a sensor or wiring fault. Both the heater circuit and the sensor should be evaluated before replacing any components.

Source: manufacturer service documentation.

Common causes of F47

  1. 01

    Continuously actuated heater

    Part replacement

    The heater associated with the ice rod is remaining energized without cycling off, driving temperatures past the 49 degree Celsius limit. This can result from a stuck relay or a fault in the control board's output circuit.

  2. 02

    Failed ice rod temperature sensor

    Part replacement

    A defective sensor can report an incorrect temperature reading to the control board, triggering F47 even when actual heater operation is normal. Check the sensor for proper resistance values and inspect its wiring for damage or corrosion.

  3. 03

    Wiring fault in heater or sensor circuit

    Wiring / connection

    Damaged, shorted, or corroded wiring between the control board and the heater or sensor can cause the heater to run continuously or produce erroneous sensor readings. Inspect the wiring harness for visible damage or failed connectors.

  4. 04

    Faulty control board

    Part replacement

    If the control board's relay or output driver for the heater circuit has failed, it may not be able to interrupt heater power correctly. This is typically confirmed after ruling out the heater and sensor as the root cause.

See the test procedure for each cause

Frequently asked questions about F47

What does F47 mean on a Bosch refrigerator?
F47 means the temperature sensor on the ice rod has detected a reading above 49 degrees Celsius. This threshold indicates the ice maker's heater may be running continuously or the sensor itself has failed. The refrigerator logs this code to alert you to a potential overheating condition in the ice maker zone. Both the heater circuit and the sensor need to be checked to identify the root cause.
Can I fix F47 on my Bosch refrigerator myself?
A knowledgeable DIYer can check the wiring connections, inspect the ice rod sensor for visible damage, and verify the heater is not running constantly. However, testing sensor resistance, diagnosing control board relay faults, and replacing internal components typically requires appropriate tools and comfort working with appliance electronics. If the heater or control board is the cause, professional repair is recommended.
Is F47 on a Bosch refrigerator a safety concern?
A continuously running heater in the ice maker area can cause localized overheating, which may damage surrounding components over time. While it is unlikely to pose an immediate fire hazard, you should address the fault promptly to avoid further damage to the ice maker assembly or control board. Avoid attempting to force ice production while the code is active.
Will resetting my Bosch refrigerator clear the F47 error?
Resetting the refrigerator by unplugging it for a few minutes may temporarily clear the code, but if the underlying fault, such as a continuously running heater or failed sensor, is still present, the code will return. A reset alone does not fix the root cause. Proper diagnosis of the heater circuit and sensor is necessary to resolve the error permanently.
How much does it cost to repair a Bosch refrigerator showing F47?
Repair costs depend on which component has failed. Sensor replacements are generally on the lower end, typically in the range of 50 to 150 dollars including parts and labor. Heater component or control board replacements can run from 150 to 400 dollars or more depending on parts pricing and local labor rates. Getting a diagnostic assessment from a qualified technician will give you a more accurate estimate for your specific situation.

Related Bosch refrigerator codes

All Bosch refrigerator codes
View all 209 Bosch refrigerator codes

78,000+ service manuals · 160,000+ error codes · 55+ brands

Get Started

$29/month · Cancel anytime · Or $9.95 3-day pass