Introduction
Having a look into the Moodo Smart Aroma Diffuser. 
You can also use this as a guide to replace a fan.
Tools
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            The fan and air guidance assembly is attached to the main PCB with 2 screws. 
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            Each fan has one connector for power and one for the pod sensor - these need to be disconnected from the PCB before removing the fan assembly. If you want to replace a fan, you will need to unhook the sensor cables from the sides. 
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            Fans used are: 1604KL-01W-B39-B00 NMB Technologies DC Fans DC Axial Fan, 40x10mm, 5VDC, 4.2CFM 
 
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            The main PCB connects to the control PCB with a ribbon cable. 
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            It can be removed with 2 screws. 
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            The 2 cell battery pack is located under the main PCB. 
 
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