Air Purifier Sizes 1620, 1625, 2020, 2025, 2420: Installation Instructions
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
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RESET PROCEDURE
When the rapid flashing code occurs on the green light, the controls for
the high voltage need to be reset. To reset the controls, the power switch
needs to be turned on and off for three cycles.
1. Turn off power by depressing the power switch.
2. Wait approximately 2 seconds before turning the power back on.
3. Wait approximately 2 seconds before turning the power off.
4. Repeat Steps 2 and 3 for two more on/off cycles.
5. After the three on/off cycles are completed, turn on power by
depressing the power switch on. The rapid flashing code on the
green light should no longer be displayed. If the rapid flashing code
on the green light is still displayed, repeat Steps 1 through 5.
By resetting the air purifier controls the issue with air purifier will need
to be addressed by cleaning or servicing the air purifier.
Table 3 – Start-Up Error Codes
INDICATOR LIGHT CODE
EXPLANATION
POSSIBLE CAUSE
RECOMMENDED ACTION
2 FLASHES
Filter ground circuit fault
No filter installed
Place filter in air purifier.
Filter installed incorrectly.
Install filter in correct orientation as
indicated by airflow direction
arrows on cabinet and filter.
Wrong type of filter installed
Install a genuine air purifier
replacement filter.
Wet filter
Call service to locate and eliminate the
source of water on the filter and
replace the filter with a new filter.
Damaged filter contact spring on door
assembly
Verify that filter contact springs
mounted on door are properly
contacting the aluminum contact pads
on the filter and not
contacting the cabinet or door back. If
springs are broken or damaged replace
the door
assembly.
RAPID FLASHING
(5 flashes per second)
LED Flashes for 10 seconds when AC
power is turned on indicating a
previously stored error code code will
be displayed after 10 seconds. Purifier
will not operate until cause of error
condition is rectified and purifier is
reset.
An error code was registered in the
purifier controls prior to the purifier
being turned off.
The purifier controls may be reset
during the 10 seconds in which the
LED is flashing rapidly. See the
reset procedure section of this
document for resetting the
electrical controls. If the problem
persists, follow the actions
recommend in Table 3 for the stored
error code or call service.
Table 4 – Operating Error Codes
INDICATOR LIGHT CODE
EXPLANATION
POSSIBLE CAUSE
RECOMMENDED ACTION
4 FLASHES
Ionizer / filter current imbalance
Dirty Filter Enhancement Module
(FEM).
Clean/service air purifier unit.
Damaged Filter Enhancement
Module (FEM).
Replace the filter enhancement
module.
5 FLASHES
Over-current fault
Excessively dirty Damaged Filter
Enhancement Module (FEM) and/or
filter.
Clean/service air purifier unit.
Wet Damaged Filter Enhancement
Module (FEM) and/or filter.
Call service to locate and eliminate the
source of water in the air
purifier. Verify that the purifier FEM and
cabinet are clean and replace filter with
a new filter.
Damaged filter.
Replace the filter element.
Damaged Filter Enhancement
Module (FEM).
Replace the filter enhancement
module.
Foreign object inside air purifier.
Remove foreign object from air
purifier and insure purifier is clean and
undamaged.
6 FLASHES
Arc detected
Damaged filter.
Replace the filter element.
Damaged Filter Enhancement Module
(FEM)
Replace the filter enhancement
module.
Foreign object inside air purifier.
Remove foreign object from air
purifier and insure purifier is clean and
undamaged.
