FILTRATION
FILTRATION
WWW.CLEANCOMFORT.COM
14
TROUBLESHOOTING
IO-AE14-5
Table 5
Troubleshooting Guide
Problem
Probable Causes
Remedy
Unit does not
function correctly.
Power light and
performance
indicator light
are OFF.
System fan is not on.
Turn system fan on.
Wiring improperly connected.
Check wiring or verify that plug is inserted in
receptacle and receptacle is powered.
Defective power switch.
Check power switch for continuity with ohmmeter.
Replace if defective.
Defective safety interlock.
Remove door and press safety interlock with a
screwdriver. If lights come on, bend interlock lever
towards front and close door.
Unit does not
function correctly.
Power switch light is
ON and performance
indicator light is OFF.
Short in cells due to:
1.
Broken ionizing wire.
2.
Large particles wedged between cell plates.
3.
Cells washed recently and are still wet.
4.
Cell end plate insulator is dirty or damaged.
5.
Cell plate(s) are bent.
1.
Remove wire or wire fragments. Replace.
2.
Shake large particles out or wash cell.
3.
Allow cells to dry completely.
4.
Clean or replace end plate insulator.
5.
Straighten plates with pliers.
Defective performance indicator light.
Determine whether high voltage is present by testing
power board ② If voltage is present, replace
performance indicator light.
Defective power board.
Adjust high voltage potentiometer on power board
counter-clockwise. If high voltage is not present,
replace power board.
Air Proving Switch (APS) sensor is
burnt out.
Remove power box lid and blow lightly for 10
seconds on APS sensor at bottom of power box.
If light does not come on, replace APS.
Air Proving Switch is not getting enough airflow
across the sensor.
Check that sensor is located in the plastic bushing
at the front of the power box.
Check that the return duct is installed flush to the
top and front edge of the air cleaner duct opening.
Ensure there is a minimum of 360 CFM of air to
the air cleaner.
Off board 24V transformer is not working.
Verify output of transformer. Replace if necessary.
Defective power switch.
Verify output of switch. Replace if necessary.
Power switch light is
OFF and performance
indicator light is ON.
Defective power switch light.
Replace power switch.
Cell makes loud
hissing noise
or causes radio
interference.
Internal cell contacts are not touching plates.
Test contacts and repair.
Copper contacts on high voltage tray not making
good connection on cell.
With needle-nose pliers, gently pull contacts down
or replace contacts.
