E2 — Icemaker / Ice-Water System Communication Fault
Per Bosch's official US error-code page, E02 means the icemaker is faulty or the ice water system controls have a communication issue. Bosch's first recommended step is to reset power at the breaker for 30 seconds.
- Keep using it?
- Yes, with caution
- DIY difficulty
- Moderate
- Verified against
- bosch-home.com ↗
How to fix it
- Reset power to the breaker for 30 seconds, per Bosch's official instructions.
- If the fault returns, unplug the refrigerator and inspect the wiring harness between the icemaker and the main control board for looseness or damage.
- If wiring tests good, the icemaker module itself is the more likely failure point.
- If the icemaker and wiring both test good, the main control board's communication circuit may need replacement — consider a technician for this diagnosis.
Why it happens
Typical signs: E2 on the display · Icemaker not producing ice · Water/ice dispenser unresponsive · Ice maker module not communicating with the main control
- Icemaker module fault The icemaker's own control module has failed or is not responding to the main board.
- Loose or damaged wiring harness to the icemaker A disconnected or damaged connector between the icemaker and the main control board can look like a communication fault.
- Main control board communication fault Less commonly, the main board's icemaker-communication circuit has failed.
Replace your water filter
A clogged or overdue water filter is a common cause of low water and ice flow on Bosch refrigerators — they are meant to be changed about every 6 months. The OEM-style filter that fits most Bosch refrigerators is the BORPLFTR10 ($60-75 OEM, $25-35 compatible).
- Bosch BORPLFTR10 refrigerator water filter OEM water filterAmazon →
Not sure which filter fits your model? See the full compatibility guide →
Parts you may need
If diagnosis points to a failed part, these are the common replacements. As an Amazon Associate we earn from qualifying purchases.
- Bosch refrigerator icemaker assembly Common replacementAmazon →
More Bosch refrigerator codes
Always unplug an appliance before servicing it. This guide is for informational purposes and is not a substitute for a qualified technician. Verified against manufacturer documentation: bosch-home.com.