Troubleshooting Guide - Aprilaire 5000 Safety And Installation Manual

TROUBLESHOOTING GUIDE

PROBLEM POSSIBLE CAUSE(S)
ON/OFF switch not in ON position
Air cleaner not plugged in
Light does not
come on at all after
Insufficient current to activate
90 seconds
Model 51 relay
Furnace/air handler not running
Over current or arcing detected
Light flashes on
then off quickly
Insufficient current to sustain Model
51 relay
Loose connection in outlet junction box
or at furnace/air handler EAC terminal
Light stays on after Outlet in which air cleaner is plugged
blower stops running is continuously live
Outlet in which air cleaner is plugged
is continuously live
Large crack/hole in media
Poor connection between media
ground strip and media
Poor contact between control
Produces an
electrode and ground contact
ozone smell
Ground contacts not touching
door liner
Media ground contacts not
fully installed
Large crack/hole in media
Poor connection between media
ground strip and media
Poor contact between control
Makes a buzzing
electrode and ground contact
sound or causes TV
interference
Ground contacts not touching
door liner
Media ground contacts not
fully installed
8
SOLUTION(S)
Turn switch ON
Plug in air cleaner
Wrap blower common wire around relay bracket more - see
Figure 14 on page 7 for wire wrapping method
Turn blower on by making a heat call or turning Fan ON
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
Wrap blower common wire around relay bracket more - see
Figure 14 on page 7 for wire wrapping method
Check wire nuts, screw terminals and crimped connectors for
loose wires. Use only fully insulated crimped connectors.
See Step 1 in Wiring and Start Up section – page 6
See Step 1 in Wiring and Start Up section – page 6
Replace media
Remove ground strip and reinstall as shown in Figure 11
on page 5
Push in control electrode so it fully seats in the ionizer frame –
see Figure 16 on page 9.
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 11 and Figure 16.
Remove ground contacts and reinstall as shown in Figure 11
on page 5
Replace media
Remove ground strip and reinstall as shown in Figure 11
on page 5
Push in control electrode so it fully seats in the ionizer frame
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 11 and Figure 16.
Remove ground contacts and reinstall as shown in Figure 11
on page 5