Ultenic D7 - Indicator Light Error Definitions; Customer Support and Service; Contacting Ultenic Support by Email

After-Sale Service
Definition
Solution
Indicator
1. Frequent dust collection leads to fan
overheating protection or fan
malfunction. It is recommended to try
to collect dust after 30 minutes.
2. Ensure that the cover of the Auto
Empty Base is completely closed.
1. Check whether the dust bag is
installed, if not, please install the dust
bag.
2. Ensure that the dust bag is properly
installed and fully lower the cardboard
handle.
Flashing red
Flashing red
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