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    Philips Support

    What do the indicators or error codes on my Philips Air Purifier mean?

    Published on 04 December 2022
    To find out what the indicators or error codes of your Philips Air Purifier mean, read our article below.

    Error codes and indicators meanings

    Depending on the Philips Air Purifier model you have, you might find one or more of the following error codes or indicators:
     

    • Code A: Auto mode.

    • Code C: Gas mode (AC3254 and AC3256 only).

    • Code L: Child lock on.

    • Code UL: Child lock off.

    • Code F0 or FO: Clean the pre-filter and reset the pre-filter cleaning time according to User Manual specific for your model.

    • Code AO or A0, A1, A2, A3, A4, A5, A6, A7, A8, A9: Replace NanoProtect HEPA filter and reset filter lifetime according to User Manual specific for your model.

    • Code CO or C0, C1, C2, C3, C4, C5, C6, C7, C8, C9: Replace NanoProtect AC filter and reset filter lifetime according to User Manual specific for your model.

    • Code SL: Sleep Mode.

    • Code 1h: Timer mode.

    • Code t: Turbo Mode.

    • Code L1, L2, L3, L4: GAS level.

    • Indicator “-”: Light dimming function is activated.

    • 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 you to contact the Consumer Care Center in your country.

    • Error code E1, E2, E3, E4: The appliance has malfunctions. Please contact the Consumer Care Center in your country. 

    • Error code E6: E6 indicates overheat protect is triggered on the device. Unplug the device, check if filter package is removed and if air inlet or outlet is blocked. Wait for one minute, then re-plug and power on the device.  If “E6” still persists, the heater has other malfunctions. Please contact the Consumer Care Center in your country. (AMF870 and AMF872 only)



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