소개
After +/- 3 years of 24/7, the fan of the particle meter has worn out. The fan is making a terrible noise.
필요한 것
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When removing the screen with the suction handle and a jimmy be very careful at the right side of the screen and don't damage the connection like I did (see red circle).
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Carefully remove the screen towards the front. The screen is glued with some tape (see the orange marker).
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Maybe use some heat to soften the clue.
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I used a combination of a suction pad and Jimmy.
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Lift the small black ledge to remove the flat cable of the screen. Orange circle
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Disconnect the flat cable of the touch sensor by lifting the little black ledge, see the orange circle.
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One screw holding the PCB, green circle
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Sensor is held by the 10 pin connector
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Don't let the springs jump away
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By slightly bending the cover you can lift the cover from the sensor housing
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5 little philips screw hold the sesnor PCB in place. To access the fan connector you have to remove the pcb
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To reassemble your device, follow these instructions in reverse order.
To reassemble your device, follow these instructions in reverse order.
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댓글 한 개
Thank you for the guide! The part number for a replacement sensor appears to be PMS7003. There are some minor cosmetic differences but it appears to function correctly. I would suggest conducting a calibration routine / making sure the sensor is exposed to exterior air a few times over the next few days.
