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Christopher SotoJul 31, 2025
What to do if the CLEAN-SIGN Light on my Sharp Plasmacluster KC-6400E stays green even when the air is impure?
- MMichael LeeJul 31, 2025
If the CLEAN-SIGN light remains green despite impure air, it might be because the air was already impure when the unit was plugged in. To resolve this, unplug the Sharp Air Cleaner from the electrical outlet, wait one minute, and then plug it back in.
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