Troubleshooting Common Issues with Air Purifiers
Find out the common issues encountered by customers and how to perform troubleshooting
The Product or Filter Smells
Has it been less than a week since you purchased the product?. As with other electrical appliances, new products such as air purifiers, can emit a slight odour from the product or filter during the first few days of use. All Coway's products are test
Noise or Vibration Issues
Please follow these troubleshooting steps for noise and vibration issues with your Coway Air Purifier.
I cannot turn off the air purifier
Please note that you should press and hold the power button over 3 seconds to power-OFF. It was developed to prevent the power button from being accidentally switched off, meaning a healthy environment would not be guaranteed.
I cannot turn on the air purifier
Troubleshooting if Air Purifier Does Not Power On. Power Button Operation:If the power is off, press the power button for 2 seconds. Avoid pressing the power button for an extended period, as this may prevent the power from turning on. Check Power Ou
Why is my new air purifier making a loud noise?
Why is my new air purifier making a loud noise?
Air Purifier Fan Speed Doesn't Change at All
We often encourage our customers to set their air purifier to AUTO mode or ECO mode, as this allows the purifier to detect air quality automatically and adjust the fan speed effectively. If your air purifier is set to these modes but the fan speed do
My Airmega's always detecting high levels of pollution (high PM or high VOCs)
Peaks in air quality for Particulate Matter (PM)* and Volatile Organic Compounds (VOCs)** are normal and expected to happen temporarily, even when the air is of good quality. This is because your Airmega sensors react each time the purifier detects a
My Airmega's always detecting low levels of pollution (low PM or low VOCs)
​1. The air is clean. If the air is clean, the PM (Particulate Matter) reading is expected to be set to 0 (<1) or to show blue on the device.
Why is the airflow weaker than before?
Possible reasons for weak airflow from your Airmega:
Airmega 50 or Airmega 100 stays on orange light
If your Airmega 50 or Airmega 100 appears to remain on an orange light, this may be related to the Air Quality Indicator (AQI) display settings, rather than an issue with the air quality itself. Please press the Night Light button on the control pane
Air Quality Indicator / Particle Sensor Does Not Work
If the Air Quality Indicator (AQI) or particle sensor on your air purifier does not appear to be working correctly, please follow the steps below before contacting support. First, please ensure that the particle sensor intake (lens area) is clean, as