Match the symptom, then work through the safe checks.
1. What best matches what you observe?
2. Complete only the checks that are safe for you.
Show stop conditions
- The code involves heat or leakage
- Internal wiring must be accessed
- Appliance behaves unpredictably
Likely causes
- Sensor signal is outside range
- Connector or wiring is intermittent
- The measured condition is genuinely abnormal
- Control cannot interpret the signal
Quick checks, in order
Record exact conditions
Note cycle stage, load, and whether the code is intermittent.
Power-cycle once
Disconnect power briefly and test one normal cycle.
Check only accessible causes
Clean filters, level the unit, and correct installation.
Use model-specific service
Sensor and wiring tests require qualified diagnosis.
What happens when F59 appears?
An open, shorted, or disconnected sensor is possible.
The measured condition may actually be abnormal.
Vibration, moisture, connector, or sensor wear may be involved.
Stop and get qualified help when
- The code involves heat or leakage
- Internal wiring must be accessed
- Appliance behaves unpredictably
Official support and model manuals
Use the full model number from the rating label. The manufacturer manual is the deciding reference when codes differ by region or product family.
Frequently asked questions
What does F59 mean on a Bosch washer?
On many model families, F59 indicates that the imbalance sensor is abnormal. Confirm the exact model and region because the same display can be used differently.
Can I clear F59 by unplugging the washer?
A short power reset may clear a temporary state, but it will not fix a blocked hose, leak, failed sensor, motor, heater, or wiring fault. Stop if the code returns.
Should I replace a part based only on the code?
No. A code identifies a system or condition, not always the failed component. Complete safe external checks and use the model-specific manual or qualified service.