Depending on the Air Purifier model you have, you might see one or more of the following indicators or codes:
Gas mode (AC3254 and AC3256 only)
Child lock on
Child lock off
Clean the pre-filter
Code: A0 to A9
Replace NanoProtect S3 HEPA filter
Code C0 to C9:
Replace NanoProtect S3 AC filter
Error Code: Er
The hall sensor is not working properly. Remove and then reattach the front panel If the error code "Er" still persists, we recommend that you contact us.
Error code: E1 to E4
The appliance has malfunctioned. In this case, we recommend that you contact us.