Bluetooth Aromatherapy Diffuser Atomization Smart Scent Air Machine Essential Oil Diffuser for Home Hotel Spa Office 400ml Water Tank US Plug 100‑240V Item Type: Aromatherapy Machine Material: Plastic Weight: Approx. 1080g/38.1oz Size: Approx. 160x82x198mm / 6.30x3.23x7.80in Wall Mounting Hole Distance: Approx. 90mm/3.54in Essential Oil Bottle Capacity (Without Liquid Delivery): 400ml Power: 5W Coverage: 480m³ Installation: Flat or Wall Mounted Operation Mode: Bluetooth App Control Scene: Car, Hotel, Family, Hot Spring Resort, Sauna, Spa, KTV Leisure Clubs Cleaning the machine: The machine needs to be cleaned when the following conditions occur 1. You are start to switch to another essential oil; or 2. The amount of atomization is getting weaker and weaker. Cleaning Procedure 1. Remove the nebulizer head and twist off the bottle. 2. Fill the essential oil bottle with a suitable amount of alcohol and apply it to the device for 5-10 atomizations to prevents peculiar smell transfer.3. After drying, finish cleaning. Troubleshooting: Before preparing to repair the machine, try to solve the following problems as followsProblem FailureSolutionNo Atomization1. Check whether the power switch is flipped correctly.2. Check whether the machine stops atomizing during the "non working period".3. If the air pump is damaged, replace it with a new air pump (this step requires disassembling the machine).4. Check whether the air pipe of the machine or atomizer head is loose and falls off.Low Atomization1. Atomizer cartridge is clogged. Clean with alcohol or replace with a new cartridge.2. Gasket on atomizer head is detached or damaged; replace with new gasket.3. Tube on atomizer head is disconnected, reconnect.Oil LeakageBottle Is Loose, Please Install the Bottle Correctly. The Gasket in the Nebulizer Head Is Broken or Missing.Fluid  SprayDamaged Atomizer Head, Replace with a New One Machine Tilted or Lying FlatAbnormal NoiseLoose Pump, Re Fasten the Pump, Damaged Pump, Replace with a New Pump (This Procedure Requires Disassembly of the Machine)