Smart Scent Air Machine for Home 120ml Tower Essential Oil Diffuser with Remote Control Aromatherapy Diffuser for Large Room Spa Office 100‑240V US Plug Item Type: Smart Scent Air Machine Material: Aluminum Alloy Weight: Approx. 4550g / 160.5oz Battery: 1 x CR2025 Button Battery Oil Bottle Capacity: 120ml Model: HZ-1201 Power: 5W Noise: <38dba Product Size: Approx. 65x210x930mm / 2.6x8.3x36.6in Color: Silver Coverage Area: 200m³ Installation: Flat Operation: Smart Remote Control Occasion: Hotel, Home, Spa Resort, Sauna, KTV, Leisure Club Indicator Light: Blue: Device is powered on Green: Device is working Red: When a button on the remote control is pressed, red indicator lights will flash. Note: If the remote control is lost or needs to be replaced for other reasons, it can continue to be used through pairing. Turn off the power first, then press and hold 35%, while plugging in the power again, red indicator lights will blink, indicating pairing is complete. Replacing Atomizing Core: Step 1: Take out the original atomizing core from the atomizing head main body and remove the oil suction tube. Step 2: Insert the oil suction tube into the small hole of the new atomizing core. Step 3: Install the new atomizing core with the inserted oil suction tube back into the atomizing head main body. Routine Troubleshooting and Maintenance: Fault and Repair Methods: Abnormal Noise of Device: Whether the air pump is loose, reinstall the air pump and fix it in place. No Atomization Power: Whether the power is on, if the air pump is working properly, whether it is within the set working time, check the air pump operation, reset the program. Low Atomization Amount: Whether the atomizer is clogged, if the air pump is aging, clean the atomizer, replace the air pump. Liquid Atomization: Whether the atomization outlet is loose, if the device is tilted, tighten the atomization outlet, keep the device upright. Leaking Oil: Whether the essential oil bottle is loose, if it is loose, screw tightly the essential oil bottle.