Bosch Washer Error Codes
Below is a complete list of Bosch Washer error codes, what each code means, and the issues they typically indicate.
| Error Code | Description |
|---|---|
| CL | Child Lock is activated and controls are disabled. |
| Drain Icon | The washer detected slow or restricted draining. |
| Drum Clean Icon | The washer is reminding you to run a Drum Clean cycle. |
| E00 / -18 | The drain pump is blocked or unable to rotate. |
| E00 / -23 | Water has collected in the base pan, triggering the leak sensor. |
| E10 | The i-DOS detergent dosing pump is blocked or restricted. |
| E16 | The washer door is not locked or cannot lock. |
| E17 | The washer is not filling with water fast enough. |
| E18 | The washer is draining too slowly or not at all. |
| E19 | The washer is unable to heat water properly. |
| E20 | The washer detected abnormal temperature readings. |
| E23 | The AquaStop leak protection system has detected water. |
| E25 | The turbidity sensor is reporting invalid or no readings. |
| E26 | The flow sensor is reporting abnormal or no readings. |
| E28 | The washer detected abnormal flow meter readings. |
| Er:01 | The washer door is open or not detected as closed. |
| Er:02 | The washer cannot release the door lock. |
| Er:03 | The washer cannot lock the door. |
| Er:04 | The door lock mechanism is defective. |
| Er:05 | The temperature sensor (NTC) is shorted. |
| Er:06 | The temperature sensor (NTC) is open or disconnected. |
| Er:07 | The washer detected unexpected heating activity. |
| Er:09 | The motor cannot accelerate properly. |
| Er:10 | The motor is not rotating when commanded. |
| Er:11 | The motor reversing relay test failed. |
| Er:12 | The washer detected a water inlet fault. |
| Er:13 | The washer detected a drain pump malfunction. |
| Er:14 | The washer took too long to heat the water. |
| Er:15 | The heating element is reporting a fault. |
| Er:16 | The washer detected an excessively high water level. |
| Er:17 | The washer detected insufficient water level. |
| Er:18 | The AquaStop leak protection system has been activated. |
| Er:19 | The pressure sensor is reporting invalid or inconsistent water level readings. |
| Er:20 | The pressure switch is not responding correctly. |
| Er:21 | The washer detected excessive foam during the cycle. |
| Er:22 | The washer aborted the spin cycle due to imbalance or safety conditions. |
| Er:23 | The washer detected a software or control module error. |
| F27 | The pressure sensor is reporting invalid water level readings. |
| Key Icon | The washer door is locked for safety. |
| Pause/Play Flashing | The washer cycle is paused or waiting for user input. |
| Suds Icon | The washer detected excessive foam inside the drum. |
| Tap Icon | The washer detected a water supply issue. |