TROUBLESHOOTING GUIDE
PROBLEM POSSIBLE CAUSE(S) SOLUTION(S)
Light does not
come on at all after
90 seconds
ON/OFF switch not in ON position Turn switch ON.
Air cleaner not plugged in Plug in air cleaner.
Insufcient current to activate
Model 51 relay
Wrap blower common wire around relay bracket more. See FIGURE 12 on
page 8 for wire wrapping method.
Furnace/air handler not running Turn blower on by making a heat call or turning Fan ON.
Light ashes on then
off quickly
Over current or arcing detected
Ensure components are dry.
Excessive humidity - run cooling to lower humidity levels.
Ensure that all 9 ionizer wires are held at both ends.
Look for foreign object contacting ionizer wires or buss bar.
Door not fully installed - ensure door is latched into top and bottom retainer.
Insufcient current to sustain
Model 51 relay
Wrap blower common wire around relay bracket more. See FIGURE 12 on
page 8 for wire wrapping method.
Loose connection in outlet
junction box or at furnace/air
handler EAC terminal
Check wire nuts, screw terminals and crimped connectors for loose wires. Use
only fully insulated crimped connectors.
Light stays on after
blower stops running
Outlet in which air cleaner is
plugged is continuously live
See Step 1 in WIRING AND START UP section on page 7.
Produces an ozone
smell
Outlet in which air cleaner is
plugged is continuously live
See Step 1 in WIRING AND START UP section on page 7.
Large crack/hole in air lter Replace air lter.
Poor connection between media
ground strip and air lter
Remove ground strip and reinstall as shown in FIGURE 9 on page 6.
Poor contact between control
electrode and ground contact
Push in control electrode so it fully seats in the ionizer frame. See FIGURE 14 on
page 11.
Ground contacts not touching
door liner
With the inner assembly installed in the outer housing, bend up ground
contacts (2-media ground contacts, 1-control electrode ground contact)
so they are at least 3/4” higher than the top of the inner housing. Refer to
FIGURE 9 and FIGURE 14.
Media ground contacts not fully
installed
Remove ground contacts and reinstall as shown in FIGURE 9 on page 6.
Makes a buzzing
sound or causes TV
interference
Large crack/hole in air lter Replace air lter.
Poor connection between media
ground strip and air lter media
Remove ground strip and reinstall as shown in FIGURE 9 on page 6.
Poor contact between control
electrode and ground contact
Push in control electrode so it fully seats in the ionizer frame.
Ground contacts not touching
door liner
With the inner assembly installed in the outer housing, bend up ground
contacts (2-media ground contacts, 1-control electrode ground contact)
so they are at least 3/4” higher than the top of the inner housing. Refer to
FIGURE 9 and FIGURE 14.
Media ground contacts not fully
installed
Remove ground contacts and reinstall as shown in FIGURE 9 on page 6.
9
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