Error code reference

Bosch Dishwasher Error Code E:28

Aqua sensor doesn't run during wash cycle; error code won't show during wash cycle. Caused by faulty harness, dirty aqua sensor, or faulty/missing aqua sensor.

SourceBosch Dishwasher - Tech Sheet: Fault Codes & Service Programs (SHX68T55UC02)Page 4 of 5

Diagnostic procedure

The full E:28 procedure

Step 1 is visible so you can confirm you are on the right page. The remaining steps, the ones that tell you whether to actually replace a part, unlock with any pass.

MyPros+ · DiagnosticsStep 1 preview
1
First diagnostic step
Run test program to check error codes. Check continuity between aqua sensor and power module. Make sure aqua sensor is clean where it enters the sump. If connections are good and sensor is clean or missing, replace aqua sensor.

SourceBosch Dishwasher - Tech Sheet: Fault Codes & Service Programs (SHX68T55UC02)Page 4 of 5

More steps, wiring diagram references, and verified part numbers
Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.
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Where this code is documented

26 manuals in the MyPros+ library document this code for Bosch dishwasher.

Models covered by the manuals that document this code

More models are covered than are listed here.

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