Model reference

Bosch WTA34

Name: Bosch WTA34
Brand: Bosch

Dryer

3 documents7 error codes12 service modes

Available documentation

Service Manual

REPAIR INSTRUCTIONS TUMBLE DRYER Vented21 pg
Covers this model
REPAIR INSTRUCTIONS TUMBLE DRYER Vented WTA34.. / WTA35..21 pg
Covers this model
REPAIR INSTRUCTIONS TUMBLE DRYER Vented WTA34.. / WTA35..15 pg
Covers this model

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Test values, resistance specs, and wiring references
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NTC R4 fault – Drying LED flashes in

From Service Manual 970512, p.44:

1.Access service mode to confirm the active fault code and read stored error history.

2.Disconnect the sensor and measure resistance. Expected: 10 kΩ to 12 kΩ at 77°F (25°C).

3.Check the sensor harness for opens. A reading outside 5 kΩ to 50 kΩ indicates a failed sensor.

Part 00617955

Temperature sensor (NTC)

Error codes (7)

CodeMeaning

1NTC R4 fault 17Filter LED flashes while filter is clean, indicating possible overheating or…2NTC R3 fault 3NTC R2 fault 4Overheating 5Time error E1NTC R3 fault

Service modes (12)

16A to 10A Switchover (Software V4.00+)["Activate test programme.","Set programme selector to rotary-iron dry.","Press Start button to…
16A/10A switchover (mask V4.00+)1. Activate test program. 2. Set programme selector to rotary-iron dry. 3. Press Start button. 4…
16A/10A switchover via test program (mask V4.00+)1. Activate test program. 2. Set programme selector to rotary-iron dry. 3. Press Start button. 4…
Test Mode["Set programmer and timer to the 12 o'clock position.","Press and hold the Start button and…
Test mode (operating module check)Activate test mode (specific button sequence not detailed in document).
Test program – BW cupboard dryStart the 'BW cupboard dry' test program (specific button sequence not detailed in document).
Test program – Extra dry / Very dryStart 'extra dry' and 'very dry' test programmes.
Test program – Gentle dryStart the 'Gentle dry' test program (specific button sequence not detailed in document).
Test Programme - Buttons and Selector Switch["Activate test mode.","Turn programme selector to Cottons/Regular Very Dry position.","Press Start…
Test Programme - Components and NTCs["Activate test mode.","Turn programme selector to Cottons/Regular Regular Dry position.","Press…
Test Programme - Conductance Measurement["Activate test mode.","Turn programme selector to Cottons/Regular Light Dry position.","Press…
Test Programme - Indicators/Display["Activate test mode.","Turn programme selector to Cottons/Regular Extra Dry position.","Press…

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