| Service Code | Meaning | Likely Fix | | :--- | :--- | :--- | | | Heater relay stuck | Replace PCB or heating element relay. | | E:24 | NTC open circuit (temp sensor) | Replace temp sensor or check wiring loom. | | E:30 / E:31 | Drain pump blocked/failed | Clean pump filter. If persists, replace pump. | | E:36 | Motor tacho signal missing | Check motor connector; replace carbon brushes. | | E:67 | Door lock failed (short circuit) | Replace door interlock mechanism. | | F:16 | Communication error (motor to board) | Replace motor PCB or main PCB. |

Bookmark this article. If your Bosch Serie 6 ever stops heating or drains slowly, come back to Part 3, run Test 03 (Heater) and Test 02 (Pump), and save yourself a €150 service call.

Common Diagnostic Test Codes for Bosch Serie 6:

Bosch Serie 6 Service Mode [ PROVEN ]

| Service Code | Meaning | Likely Fix | | :--- | :--- | :--- | | | Heater relay stuck | Replace PCB or heating element relay. | | E:24 | NTC open circuit (temp sensor) | Replace temp sensor or check wiring loom. | | E:30 / E:31 | Drain pump blocked/failed | Clean pump filter. If persists, replace pump. | | E:36 | Motor tacho signal missing | Check motor connector; replace carbon brushes. | | E:67 | Door lock failed (short circuit) | Replace door interlock mechanism. | | F:16 | Communication error (motor to board) | Replace motor PCB or main PCB. |

Bookmark this article. If your Bosch Serie 6 ever stops heating or drains slowly, come back to Part 3, run Test 03 (Heater) and Test 02 (Pump), and save yourself a €150 service call. bosch serie 6 service mode

Common Diagnostic Test Codes for Bosch Serie 6: | Service Code | Meaning | Likely Fix