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Model reference

Bosch WTMC3300/6300US

Dryer

1 document14 error codes10 service modes

Available documentation

Service Manual

  • WTMC Gas & Electric Dryer Training Manual68 pg
    Covers this model
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Diagnose your Bosch WTMC3300/6300US.

  • Step-by-step diagnostics from the service manual
  • Test values, resistance specs, and wiring references
  • Verified part numbers when replacement is needed
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Error codes (14)

CodeMeaning
E:01Displayed during normal use when lint filter is clogged (corresponds to…E:03Displayed during normal use when maximum drying time (240 minutes) is exceeded…E:11Overheating due to clogged lint filter; control module measures reduced air…E:12Severe overheating due to clogged lint filter; control module measures reduced…E:13Maximum drying time exceeded (240 minute limit); usually a faulty heater, can…E:17NTC error for NTC R3 at lint screen; typically shorted or opened wire harness.E:18NTC error for NTC R2 at heater; typically shorted or opened wire harness.E:20EEPROM error; dryer stops and cannot be restarted.E:21Incorrect checksum; dryer stops and cannot be restarted.E:22Invalid update; dryer stops and cannot be restarted.E:23Model variant doesn't match table; dryer stops and cannot be restarted.E:24Software version doesn't match table; dryer stops and cannot be restarted.E:25Damaged data table; dryer stops and cannot be restarted.E:26Control error.

Service modes (10)

  • 240V/208V Voltage Changeover["Enter test program.","Rotate cycle selector knob to 8th position on right (cw)
  • Consumer Test (Amp Draw Test)["Enter test program.","Rotate cycle selector knob to 5th position on right (cw)
  • Control Elements Test["Enter test program.","Rotate cycle selector knob to 4th position on right (cw)
  • Display Test (LEDs/LCDs)["Enter test program.","Rotate cycle selector knob to 3rd position on right (cw)
  • Moisture Sensor Resistance Measurement["Enter test program.","Rotate cycle selector knob to 6th position on right (cw)
  • Safety Test["Enter test program.","Rotate cycle selector knob to 2nd position on right (cw)
  • Sales Demo Mode (Alternative Entry)["Push and hold Start/Stop and Delicates buttons.","Rotate cycle selector knob to 40 minute Timed…
  • Sales Demo Program["Enter test program.","Rotate cycle selector knob to 7th position on right (cw)
  • Test Program (Diagnostic Mode)["Rotate cycle selector knob to Off position.","Push and hold Start/Stop and Delicates buttons at…
  • View Fault Codes["Enter test program.","Rotate cycle selector knob to 1st position on right (cw)

Full entry steps, exit procedures, and test sequences are available in Max.

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