10
SYMPTOM
POSSIBLE CAUSE
ON/OFF switch “ON”
Unit functioning normally.
Blower ON
Operating Light ON
ON/OFF switch “ON”
1.
Power is not being supplied to air cleaner.
Blower ON
A. Check fuse or circuit breaker.
Operating Light OFF
B. Ensure power pack is properly installed and latched.
2.
Collecting cell shorted - Turn power Off - Remove power pack - Remove
collecting cells - Replace power pack - Restore power (ensure blower is
operating).
A. If Operating Light comes ON check cells for bent plates, loose ionizing
wire(s) or cracked insulator(s).
B. If Operating Light remains OFF, malfunction is in the power pack. (See
power supply Checkout Procedure).
ON/OFF Switch “ON”
1. Air flow sensor contaminated/misaligned
Blower OFF
A. Remove power pack and clear contamination inside black bushing around
Operating Light ON
the small sensor element.
B. Ensure small sensor element is centered in bushing.
2. Air sensor left in bypassed condition after servicing.**
3. Faulty air flow sensor panel.
Excessive arcing during
1. Wet collecting cell.
normal operation -
A. Allow cell(s) to dry after cleaning before applying power.
Operating Light may blink
2. Damaged collecting cell(s).
A. Remove cell(s) and inspect for bent plates, loose ionizing wire(s), cracked
insulator(s), etc.
3. Collecting cells dirty.
A. Clean cells as instructed in this manual.
4. Faulty power supply (see power supply checkout procedure)
Excessive ozone odor
1. Damaged collecting cell(s).
A. Remove cell(s) and inspect for bent plates, loose ionizing wire(s), cracked
insulator(s), etc.
2. Collecting cells dirty.
A. Clean cells as instructed in this manual.
3. Faulty power supply (see power supply checkout procedure).
If excessive ozone odor continues after these items are corrected, see ozone
reduction section on page 13.
**NOTE:
Your air cleaner is equipped with an air flow sensor (switch) which turns the unit ON and OFF in
response to the system blower. It may have been “wired out” during a service check and inadvertently left in this
condition
This guide covers most homeowner complaints. If, after checking the items listed, the unit still fails to operate properly,
contact your Lennox dealer.
Basic Service Guide
Summary of Contents for EAC-14-2
Page 14: ...14 1 2 2 3 3 4 5 6 8 Replacement Parts...
Page 16: ......
Page 30: ...14 1 2 3 4 5 5 6 2 3 4 8 5 8 5 6 13 10 11 12 15 Pi ces de rechange...
Page 32: ......
