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Error code reference

Bosch Freezer Error Code E10

Invalid EEPROM data for CPM (Control Power Module).

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What the E10 error code actually means

Your Bosch freezer is displaying E10 because the main control board has lost or corrupted the settings it needs to run properly. Think of it like a computer that can no longer read its own configuration file. In most cases, the control board needs to be replaced to fix this issue.

Diagnostic procedure

The full E10 procedure

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1
First diagnostic step
Change Power module.
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Most common causes of E10

Ranked by how often they cause this code
  1. 1Failed or corrupted CPM EEPROM
  2. 2Power surge or voltage spike
  3. 3Intermittent or unstable power supply to the CPM
  4. 4CPM manufacturing defect
  5. 5Interrupted firmware or calibration process

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Questions people ask about E10

What does E10 mean on a Bosch freezer?
E10 indicates that the Control Power Module (CPM) has detected invalid or corrupted data in its EEPROM memory chip. The EEPROM stores essential configuration and operating parameters that the freezer needs to function correctly. When this data cannot be read or is found to be out of range, the freezer triggers E10 to signal that normal operation is not possible. Replacing the CPM is the recommended corrective action.
Will resetting my Bosch freezer clear the E10 error?
A simple power reset is unlikely to permanently clear E10 because the underlying cause is corrupted EEPROM data stored on the CPM board. Even if the error disappears briefly after a reset, it will typically return once the module attempts to read its invalid stored data again. A lasting repair requires replacing the Control Power Module with a new unit that contains valid factory EEPROM data.
How much does it cost to repair a Bosch freezer showing E10?
Repair costs vary depending on the specific model and whether you use a professional technician or perform the repair yourself. The Control Power Module part alone can range from roughly $80 to $250 or more depending on the model. If you hire a technician, total costs including labor typically fall in the range of $150 to $400. Getting a quote from a local appliance repair service before proceeding is a good idea.
Can I fix the E10 error on my Bosch freezer myself?
A homeowner with basic appliance repair skills can attempt the fix, but it does involve replacing the Control Power Module. The repair requires disconnecting the freezer from power, accessing the control board compartment, and swapping the module. If you are not comfortable working with appliance electronics, a qualified technician is recommended to ensure the correct part is installed safely.
Is it safe to keep using my Bosch freezer while E10 is displayed?
It is not advisable to rely on the freezer while E10 is active. Because the CPM cannot read its operating parameters correctly, the freezer may not maintain accurate temperatures, which puts stored food at risk. The compressor and other components may also behave unpredictably. The freezer should be repaired or emptied and kept off until the fault is resolved.

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