Error Codes; Filter Replacement - Guardian AC5109 Use & Care Instructions Manual

OPERATING INSTRUCTIONS
IMPORTANT: The air purifier is shipped with the filter stored in the filter compartment.
The filter is shipped in a bag to prevent degradation. Before using, remove and discard bag.
IMPORTANT: Proper filter and back panel installation is necessary for unit to turn on and run.
BEFORE OPERATING THE AIR PURIFIER
1. Select a firm, level and flat location for the air purifier.
• For proper air flow, locate the unit at least 1 foot from any wall or furniture.
• Make sure none of the grills are blocked.
2. Plug the power cord into a 120V AC outlet. An audible chime will sound when plugged in.
OPERATING THE AIR PURIFIER
1. Turn unit power ON by pressing the ON/OFF control.
Important: The purifier will not work if the back panel is not closed or the
filter is not in place. An error code (ES) will be displayed if the panel is not
ON/OFF
closed properly and (EO) if the filter is not in place.
Note: The first time the unit is plugged in and powered on, the air quality sensor
will take a few minutes to calibrate.
2. Select Fan Speed or Auto Mode
Fan Speed – press SPEED/AUTO and select speed level 1-4.
The fan speed will light on the display.
SPEED/AUTO
Auto Mode – press SPEED/AUTO and select AUTO, 5th level on the fan control.
An "A" will light on the display. When in AUTO the fan speed will change depending
on the air quality level in the room. See AQM below. To exit AUTO mode, press
SPEED/AUTO.
3. Timer – Select if you prefer to run the purifier for a specific number of hours.
Press timer control and press to select 2h, 4h, 6h or 8h (hours). The hours will light
on the display. To cancel timer, toggle through the hours until the feature is turned off.
TIMER
4. Sleep Mode – Press Sleep/Lock control to turn display lights on/off. When selected,
the sleep light will dim, the other lights on the display will turn off and the purifier will
run in low speed. Press any control to wake up the unit, then press the Sleep/Lock
SLEEP/LOCK
control to exit from sleep mode. Your unit will return to the speed it was on before it
went to sleep mode.
5. Child Lock – Press and hold Sleep/Lock control for 3 seconds to lock control panel
so controls cannot be adjusted, except power. The lock icon will light on the display.
To unlock hold the Sleep/Lock control again for 3 seconds.
SLEEP/LOCK
6. UV Mode – Press to turn on UV-C light feature which helps kill germs.
UV
"UV" will light on the display. Press again to turn off.
UV-C MODE
7. Ionizer – Press to run the ozone-safe ionizer function. The Ionizer can enhance
ability to remove particles and keep the air fresh. The Ionizer icon will light on
the display. Press again to turn off.
IONIZER
8. Filter Reset Indicator flashes to indicate it is time to change the filter. Replace the
filter according to the instructions (pg. 7). Press and hold Filter-Reset control for
approximately 5 seconds, the unit will beep before flashing indicator stops.
FILTER-RESET
E-6
AIR QUALITY MONITOR
Air Quality Monitor senses and detects the amount of particulate matter (PM2.5) in the air.
The light circle around the display will change colors, indicating the air quality level in the room.
The particulate matter numeric value (AQI) will be displayed. See values and status ranges
in chart below.
Also listed are the color values displayed in the circle and the fan speed "AUTO" mode will
select based on the particulate matter that is detected.
Light Color Particulate Matter Value (Range) Air Quality Status
Green 0-100
Yellow 101-200
Red 201-300
Red 301-500

ERROR CODES

• Err: The motor is in an over-temperature protection mode.
Wait 10 minutes and restart by unplugging and plugging in again.
• FC: The filter cover is not installed and the power will not turn on.
Re-install the filter cover, and the machine can return to the original operating mode.
• FL: The filter is not installed properly and the power will not turn on.
Re-install the filter, and the machine can return to the original operating mode.
• dS: The dust sensor or its connection line is damaged, please contact customer service for repair.
RESETTING THE AIR PURIFIER
The air purifier is equipped with a motor protection circuit. If activated, the overload warning will
initiate and cut off the power. An audible warning "chime" will sound for 60 seconds along with a
flashing "Err" warning on the display. To restart the unit, unplug the unit for 10 minutes, then plug
back in and power on.

FILTER REPLACEMENT

The filter reset indicator light will flash when it is time to replace your filter. Depending on
usage and environmental conditions the filter will last approximately 6 months. The inside pleats
of the filter will turn from white to grey when it is dirty and needs replacing. It is important to
maintain and change the filter to continue to optimize the performance of the air purifier.
IMPORTANT: Do NOT wash and re-use the filter. Please contact Customer Service or visit our
website www.guardiantechnologies.com to purchase a replacement filter. Use only Genuine
Guardian Technologies replacement parts to optimize the performance of your air purifier.
REMOVE AND REPLACE FILTER
1. Turn off and unplug the unit.
2. Remove the back panel then remove and dispose of the filter.
3. Replace with new filter – pushing completely into unit.
4. Return back panel, first insert the panel hooks then close.
IMPORTANT: Make sure filter is installed and back panel is closed properly, otherwise unit
will not function.
RESET THE FILTER LIGHT by holding the Filter Reset control for 5 seconds.
Auto Fan Speed
Good 1
Average 2
Poor 3
Very Poor 4
E-7