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Siemens Q5.0 Disassembly

What you need

  1. Siemens Q5.0 Disassembly, Unscrew the cover: step 1, image 1 of 3 Siemens Q5.0 Disassembly, Unscrew the cover: step 1, image 2 of 3 Siemens Q5.0 Disassembly, Unscrew the cover: step 1, image 3 of 3
    • Remove the 4 Torx screws.

    • Using a flat screwdriver, lever out the large switch at the side. Pay attention to the spring.

    • Remove two more Torx screws

    • Now the cover can be lifted off.

  2. Siemens Q5.0 Disassembly, Removing the circuit board: step 2, image 1 of 2 Siemens Q5.0 Disassembly, Removing the circuit board: step 2, image 2 of 2
    • Unclip the potentiometer. Do not change the position. That way the rotary switch will fit again during assembly.

    • The circuit board can now be pulled out upwards. When mounting, make sure that the two contacts of the cable drum are inserted between the terminal contacts on the circuit board.

    • The cable drum sits loose in the housing and can be pulled out upwards.

  3. Siemens Q5.0 Disassembly, Cable reel: step 3, image 1 of 1
    • If the cable is not wound up cleanly, it can be helpful to unwind the cable completely. To do this, remove the drum. Then rewind the flat cable without twisting.

    • Cable reel If the cable is not wound up cleanly, it can be helpful to unwind the cable completely. To do this, remove the drum. Then rewind the flat cable cleanly without twisting. Before installing the reel, it can be pretensioned by turning it while it is still wound up, or the pretension can also be increased.

  4. Siemens Q5.0 Disassembly, Rotary switch: step 4, image 1 of 1
    • Rotary switch For the reassembly it may be necessary to remove the blue rotary switch beforehand. Put it back on the potentiometer only after the housing cover has been mounted.

    • The rotary switch can be unclipped from the inside.

Conclusion

Work through the steps in reverse order to reassemble your device. When inserting the rotary switch, pay attention to the position of the rotary axis and the position of the potentiometer.

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Andreas Reheis

Member since: 03/19/17

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4 Comments

Remove 2 more torx screws? It would be nice to tell where they are located, and how to get to them....

Friedrich Ernst - Reply

Ich hatte vergessen das entsprechende Foto zu machen. Im Schritt 1. das 3. Foto zeigt in etwa die Position der beiden Torx.

Andreas Reheis -

Sehr gut, vielen Dank. Bei mir allerdings Torx 15 Schrauben

vonheberding - Reply

Thank you for this guide. I'm trying to figure out if the cable contacts are broken. Any recommendations?

Hrvoje

Hrvoje K - Reply

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