Bosch Serie 6 Service Mode May 2026

Entering Service Mode (often called "Diagnostic Mode" or "Test Mode") allows you to bypass the standard program logic, test individual components (heater, motor, drum lock, pump), view historical fault codes, and perform hard resets. But be warned: With great power comes great responsibility. Incorrect inputs can void warranties or confuse the control unit.

This article provides a step-by-step guide for accessing service mode specifically on washing machines, washer-dryers, and (briefly) dishwashers. Part 1: Why Enter Service Mode on a Bosch Serie 6? Before we discuss the button sequence, you need to understand what you are looking for. Service Mode is not a "quick fix" for a noisy pump. It is a diagnostic tool. bosch serie 6 service mode

| 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. | Entering Service Mode (often called "Diagnostic Mode" or