J
jjohnsonJul 28, 2025
Why is the HEPA reset light on my Guardian AC4870 Air Cleaner on?
- KKendra FreemanJul 28, 2025
If the HEPA reset light is on, it's time to change the filter.
To Next PageTo Next PageWhy is the HEPA reset light on my Guardian AC4870 Air Cleaner on?
If the HEPA reset light is on, it's time to change the filter.
How to turn off beep on Guardian AC4870 Air Cleaner?
To disable the beeping sound your Guardian Air Cleaner makes when you press the control buttons: 1. Press and hold the fan speed button for 3 seconds. 2. Select ON/OFF. Note: The beeping sound will automatically reset to ON when the unit is unplugged.
What to do if no air circulating from Guardian AC4870?
If your Guardian Air Cleaner isn't circulating air, the filters may be dirty. Make sure to clean them, and replace them if needed.
What to do if Guardian AC4870 shuts off unexpectedly?
If your Guardian Air Cleaner unexpectedly shuts off, ensure it's plugged into a working electrical outlet. Also, check that the HEPA filter and the rear cover are firmly in place.
General| Brand | Guardian |
|---|---|
| Model | AC4870 |
| Category | Air Cleaner |
| Language | English |
Essential safety instructions for operating electrical appliances to prevent shock, fire, and injury.
Precautions regarding cord placement, liquids, children, and unauthorized modifications.
Information on ozone, mercury, cancer risks, and proper handling of the unit.
Details on model number, dimensions, input voltage, and ENERGY STAR certification.
Identification of key external parts like the control panel, air inlets, and outlets.
Explanation of HEPA, Activated Carbon, and UV-C light technologies for air purification.
Guide to turning on, selecting fan speed, using UV-C, and setting the timer.
Information on replacement filters, bulbs, and the HEPA reset indicator.
Step-by-step instructions for filter replacement.
Explanation of CADR ratings and how they measure air purifier effectiveness.
Procedure for replacing the UV-C bulb and resetting the indicator light.
Instructions for cleaning the Pre-Charcoal filter and HEPA filter.
Guidance on cleaning the outer surface of the air purifier unit.
Solutions for problems like unit not operating, unexpected shutdowns, and button beeps.
Details on product warranty period, exclusions, and how to submit a claim.
Identification of model numbers for replacement filters and UV-C bulbs.
