1. What is CADR?CADR stands for “Clean Air Delivery Rate,” which indicates the
volume of filtered air delivered by an air purifier. CADR ratings
show the effectiveness of how efficient the air purifier is at
capturing fine particles from things like tobacco smoke and plant
pollens from the room. Clean Air Delivery Rate From air cleaner to
air cleaner, compare the CADR numbers.
First look at suggested room size. Then refer to the Clean Air
Delivery Rate (CADR) numbers. The higher the number, the faster the
unit filters the air.
2. What is CFM and CMH of CADR?1 CFM=1.71CMH
3. TROUBLESHOOTING GUIDEA. Unit shuts off unexpectedly or does not operate.Check that the unit is plugged into a working electrical outlet.
Check that the motor protector is triggered.
Check that the filter is in the unit and locked.
Check that the front panel is latched firmly in place.
B. No air circulating from unitUnplug unit. Check filter. Replace filter if necessary.
C. Increase in noise levelMake sure the filter is clean. Replace if necessary.
D. Odors and smoke are not removed.Clean or replace the filter if it appears to be heavily soiled.
E. The discharged air has an aroma or odorCheck to see if the filter is heavily soiled. Replace the filter.
Turn off the Ionizer
F. Air quality indicator constantly shows poor air qualityWipe the lens with a clean cloth or vacuum to remove any dust that
has settled on the sensor.
G. Filter change indicator flicksNeed to manual reset by long pressing filter change icon for 5
seconds, then release after heard the buzzer
H. The unit can not power on without buzzer and power icon lightingReplace with new power PCBA
I. The unit can power on with power icon lighting, but speed can
not be set.Replace with new control PCBA
J. The unit can power on but some displays show defectiveReplace with new control PCBA
K. The unit’s PM 2.5 digital value shows different from ambient
environment within 30% tolerance.Comply with particle sensor spec.
L. The unit’s PM 2.5 digital value shows different from ambient
environment beyond 30% tolerance.
Replace with new particle sensor.
M. The unit’s VOC digital value shows different from ambient
environment.
Replace with new VOC sensor.
N. The unit is power on with all the buttons normal work including
power icon lighting, but no air outtake comes.
Remove filter plastic bag and re-install filter, then re-start.
O. The unit is power on with all the buttons normal work including
power icon lighting, but no air outtake comes.
Replace with new motor
P. No ion comes out
Disassembly the unit, and re-insert ionizer module wire socket
Q. There has odor coming out from outtake grill
Replace with new filter
R. The unit is power on but some display missed
Replace with new display board.
S. Wifi can not be connected
Reset the route as 2.4G
T. Wifi can not be connected
Replace with new Wifi module
U. Power button is invalid after turn on with heard buzzer
Replace with new control panel or magnetic switch board
