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Table 2 – Start--Up Error Codes
INDICATOR LIGHT CODE EXPLANATION POSSIBLE CAUSE RECOMMENDED ACTION
2FLASHES 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 f ilter.
Wet filter
Call service to locate and eliminate
thesourceofwateronthefilterand
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 dam-
aged replace the d oor
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 p rocedure 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.
Ta ble 3 – Operating Erro r Codes
INDICATOR LIGHT CODE EXPLANATION POSSIBLE CAUSE RECOMMENDED ACTION
4FLASHES Ionizer / filter current imbalance
Dirty Filter Enhancement Module
(FEM).
Clean/service air purifier unit.
Damaged Filter Enhancement
Module (FEM).
Replace the filter enhancement
module.
5FLASHES 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
thesourceofwaterintheair
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.
6FLASHES Arc detected
Damaged filter. Replace the filter element.
Damaged Filter Enhancement Mod-
ule (FEM)
Replace the filter enhancement
module.
Foreign object inside air purifier.
Remove foreign object from air
purifier and insure purifier is clean
and undamaged.
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 rap-
id flashing code on the green light is still displayed, repeat
Steps 1 through 5.
NOTE: By resetting the air purifier controls the issue with air
purifier will need ot be addressed by cleaning or servicing the air
purifier.
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