Bosch Refrigerator Error Code E02
E02 has two model-dependent meanings. On side-by-side models it is a failed freezer compartment temperature sensor; Bosch's current support page defines it on French-door models as a faulty ice maker or a communication fault in the ice and water controls. Reset the power at the breaker for 30 seconds first; if the code returns, note whether the freezer temperature or the ice maker is the problem and book service.
Also shown as: E2
Common causes
- Freezer compartment temperature sensor has failed (side-by-side models)
- Ice maker module is faulty (current French-door models, per Bosch's own support page)
- Communication fault in the ice and water system controls (current French-door models)
- Loose or damaged wire harness connection on the sensor or the ice maker
What to check, in order
- Reset the power the way Bosch advises for this code: switch it off at the breaker for at least 30 seconds, then switch it back on and watch whether the code returns.
- Work out which system is flagging: check with a freezer thermometer whether the freezer is holding about -18 °C (0 °F), and check whether the ice maker and dispenser work. That tells you, and any technician, which of the two faults applies to your model.
- On models with an ice maker, make sure the ice maker is switched on, the ice bin is pushed fully home and the household water valve feeding the fridge is open.
- Check the freezer door closes and seals fully and the vents inside are not blocked by food packaging.
- If the code returns after the reset, do not keep resetting it — the sensor, ice maker or a control module needs testing by a technician.
Clear the code and test
- Fix what the checks above found first. Clearing the code without fixing the cause only brings it back.
- Plug the appliance back in and restore its water supply if it has one.
- Run the shortest programme and watch the point where the code appeared before.
- If the programme finishes with no code, the fault is cleared. If the code returns, write it down before calling a technician — it speeds up the diagnosis.
When to call a professional
This code usually points to a faulty part, wiring or the control board on a Bosch refrigerator. Run the checks above to rule out the simple causes, then book a technician — and book one straight away if any of these apply:
- The code comes back after you have run the checks and a test cycle.
- You smell burning, see sparks or scorch marks, or the breaker trips.
- Water is leaking and you cannot stop it at the tap.
- The fix needs panels opened beyond what your manual describes, or a part tested with a meter, and you are not set up for that.
When you call, give the brand, the code E02, your model number (on a label inside the door or on the back) and the checks you already ran. It shortens the visit.
Repair or replace?
This fault is in professional territory: the fix usually means a major part or board-level work, and the labour adds up. If your machine is already well into its service life, get the repair quote first, then compare it with the price of a current equivalent model before you decide. Paying a large share of a new machine's price to repair an old one is rarely the better deal; replacing a machine over one cheap fault is wasteful too.
Parts that may be involved
Freezer compartment temperature sensorIce makerIce and water dispenser control moduleWire harness
Parts are model-specific. Find your model number first — usually on a label inside the door, on the door frame or on the back — and match the part to that number before ordering.
Questions people ask about E02
What does E02 mean on a Bosch refrigerator?
E02 means: Freezer temperature sensor fault on side-by-side models; ice maker or ice/water control fault on current French-door models. E02 has two model-dependent meanings. On side-by-side models it is a failed freezer compartment temperature sensor; Bosch's current support page defines it on French-door models as a faulty ice maker or a communication fault in the ice and water controls. Reset the power at the breaker for 30 seconds first; if the code returns, note whether the freezer temperature or the ice maker is the problem and book service.
Can I fix Bosch E02 myself?
Only the preliminary checks. Code E02 usually means a part, wiring or the control board has failed, which is a technician job. Run the checks to rule out simple causes before you book.
How do I clear Bosch E02?
Fix the cause first — clearing the code on its own brings it straight back. Then restore power and water, run the shortest programme, and watch the stage where the code appeared. If the programme finishes with no code, it is cleared.
Sources checked
- Bosch Home (US) owner support: dishwasher error codes
- Coolblue advice: Bosch and Siemens washing machine errors
The meaning and checks for this code were checked against the sources above in November 2026. Codes vary by model and region; if your manual lists a different meaning for your exact model, follow the manual.