Roborock Q5 Pro: Laser Distance Sensor Replacement

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Ultimo aggiornamento il October 29, 2024

45 minuti - 1 ora

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Introduzione

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This guide will show you how to replace the Laser Distance Sensor (LDS or LiDAR) of Roborock's robotic vacuum Q5 Pro.

You may want to do so if your robot reports "Error 1: Laser Distance Sensor blocked."

Within the guide I will also outline how to replace just the motor that spins the LDS, as well as how to clean it properly.

I recommend reading the entire guide before starting the disassembly, then following steps as needed during.

If you already know how to disassemble it or have followed my teardown guide, skip to step 11.

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Passo 1 Remove the dustbin.

Roborock Q5 Pro: Laser Distance Sensor Replacement, Remove the dustbin.: passo 1, immagine 1 di 3

Roborock Q5 Pro: Laser Distance Sensor Replacement, Remove the dustbin.: passo 1, immagine 2 di 3

Roborock Q5 Pro: Laser Distance Sensor Replacement, Remove the dustbin.: passo 1, immagine 3 di 3

Flip it on its head, then remove the dustbin.

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Passo 2 Remove the bottom cover.

Roborock Q5 Pro: Laser Distance Sensor Replacement, Remove the bottom cover.: passo 2, immagine 1 di 2

Roborock Q5 Pro: Laser Distance Sensor Replacement, Remove the bottom cover.: passo 2, immagine 2 di 2

Remove the side brush using a PH2 screwdriver.
Remove the screws using a PH2 screwdriver.
Then, pull the bottom cover off.

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Passo 3 Remove the battery.

Roborock Q5 Pro: Laser Distance Sensor Replacement, Remove the battery.: passo 3, immagine 1 di 3

Roborock Q5 Pro: Laser Distance Sensor Replacement, Remove the battery.: passo 3, immagine 2 di 3

Roborock Q5 Pro: Laser Distance Sensor Replacement, Remove the battery.: passo 3, immagine 3 di 3

Lift it up on the left.
Detach the connector by squeezing the release tab, then pull it out.
Do not simply yank the battery out. You will tear the connector off the motherboard.

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Passo 4 Remove the bumper's lid.

Roborock Q5 Pro: Laser Distance Sensor Replacement, Remove the bumper's lid.: passo 4, immagine 1 di 2

Roborock Q5 Pro: Laser Distance Sensor Replacement, Remove the bumper's lid.: passo 4, immagine 2 di 2

Remove the marked screws using a PH1 screwdriver.
Then simply lift the lid off.

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Passo 5 Remove the bumper.

Roborock Q5 Pro: Laser Distance Sensor Replacement, Remove the bumper.: passo 5, immagine 1 di 2

Roborock Q5 Pro: Laser Distance Sensor Replacement, Remove the bumper.: passo 5, immagine 2 di 2

Flip the robot over.
Tilt the bumper forwards and move it upwards to remove it.

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Passo 6 Remove the side brush motor.

Roborock Q5 Pro: Laser Distance Sensor Replacement, Remove the side brush motor.: passo 6, immagine 1 di 1

Flip it back over.
Remove the screws using a PH2 screwdriver.
Simply lift it out.

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Passo 7 Remove the chassis screws.

Roborock Q5 Pro: Laser Distance Sensor Replacement, Remove the chassis screws.: passo 7, immagine 1 di 1

Remove the marked screws using a PH2 screwdriver.

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Passo 8 Latches.

Roborock Q5 Pro: Laser Distance Sensor Replacement, Latches.: passo 8, immagine 1 di 3

Roborock Q5 Pro: Laser Distance Sensor Replacement, Latches.: passo 8, immagine 2 di 3

Roborock Q5 Pro: Laser Distance Sensor Replacement, Latches.: passo 8, immagine 3 di 3

The chassis will still be held together by a couple latches on the back.
Use a prying tool to get these apart before taking it apart.

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Passo 9 Take it apart!

Roborock Q5 Pro: Laser Distance Sensor Replacement, Take it apart!: passo 9, immagine 1 di 2

Roborock Q5 Pro: Laser Distance Sensor Replacement, Take it apart!: passo 9, immagine 2 di 2

Flip it over and simply pull the chassis halves apart.

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Passo 10 Screeeeeeews.

Roborock Q5 Pro: Laser Distance Sensor Replacement, Screeeeeeews.: passo 10, immagine 1 di 1

Here are the screws organised by steps and type.
Use this if needed as a reference during reassembly.

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Passo 11 Remove the LDS cage.

Roborock Q5 Pro: Laser Distance Sensor Replacement, Remove the LDS cage.: passo 11, immagine 1 di 3

Roborock Q5 Pro: Laser Distance Sensor Replacement, Remove the LDS cage.: passo 11, immagine 2 di 3

Roborock Q5 Pro: Laser Distance Sensor Replacement, Remove the LDS cage.: passo 11, immagine 3 di 3

Remove the marked screws using a PH2 screwdriver.
Then, remove it.

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Passo 12 Remove the LDS.

Roborock Q5 Pro: Laser Distance Sensor Replacement, Remove the LDS.: passo 12, immagine 1 di 3

Roborock Q5 Pro: Laser Distance Sensor Replacement, Remove the LDS.: passo 12, immagine 2 di 3

Roborock Q5 Pro: Laser Distance Sensor Replacement, Remove the LDS.: passo 12, immagine 3 di 3

Remove the marked screws using a PH2 screwdriver.
Lift the LDS towards the right, then disconnect the connector.
If you're replacing the LDS, simply insert the new one and reassemble your device.

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Passo 13 Remove the rubber band.

Roborock Q5 Pro: Laser Distance Sensor Replacement, Remove the rubber band.: passo 13, immagine 1 di 3

Roborock Q5 Pro: Laser Distance Sensor Replacement, Remove the rubber band.: passo 13, immagine 2 di 3

Roborock Q5 Pro: Laser Distance Sensor Replacement, Remove the rubber band.: passo 13, immagine 3 di 3

Remove the rubber band using some tweezers, forceps or your fingers.
Make sure to clean it. This one was quite dirty, which was causing the motor to seize.
Your robot may have a different iteration of the LDS, which has a cover over the rubber band section. In that case, please check: Roborock Q Revo: Laser Distance Sensor Replacement and skip to step 12.

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Passo 14 Remove the motor.

Roborock Q5 Pro: Laser Distance Sensor Replacement, Remove the motor.: passo 14, immagine 1 di 3

Roborock Q5 Pro: Laser Distance Sensor Replacement, Remove the motor.: passo 14, immagine 2 di 3

Roborock Q5 Pro: Laser Distance Sensor Replacement, Remove the motor.: passo 14, immagine 3 di 3

Before removing the motor, flip it over and check whether it has a connector or is soldered directly onto the PCBA.
Remove the screws.
Now you can remove and replace the motor.
Your robot may have a different iteration of the LDS, which needs it's driving wheel removed before you can remove the screws. In that case, please check: Roborock Q Revo: Laser Distance Sensor Replacement and skip to step 12.