Carrier Aira, Installation, Start-Up, And Operating Instructions Manual, Page: 15 / 16

Fig.
23—Troubleshooting
the
Duct
Mount
Electronic
Air
Cleaner
A97176
Is green light on?
Ye
s
Ye
s
Ye
s
Ye
s
Ye
s
Ye
s
No No No No No
No No No No Ye
s
Ye
s
Ye
s
Ye
s
Ye
s
Ye
s
Ye
s
No No
No
Is red light on? Is cell crackling and snapping? Is cell sizzling?
Is transformer defective? Is power supply defective? Is power supply wiring OK? Are contact boards OK? Is cell dirty or defective? Is ON/OFF switch working? Is the safety interlock system OK? Is input
AC power available?
Is unit operating?
1.
Repair or replace any loose wires or bad connections to green light.
2.
Replace defective green indicating light.
1.
Replace any blown fuses and reset any tripped breakers.
2.
Repair or replace any loose wires or bad connections.
1.
Check that access door is not open or ajar
.
2.
Repair or replace any loose wires or bad connections.
3.
Replace any defective momentary contact switch.
1.
Assure that ON/OFF switch is turned "ON".
2.
Repair or replace any loose wires or bad connections.
3.
Replace defective ON/OFF switch.
1.
Remove any objects between adjacent collector plates.
2.
Replace corroded or carbonized insulators.
3.
Replace any broken ionizing wires.
4.
W
ash dirty cell.
1.
Replace contact board if contacts are corroded or carbonized.
2.
Replace any defective wires.
3.
Clean dirt build-up on contacts with alcohol and let dry thoroughly
.
1.
Repair or replace any loose wires or bad connections.
1.
Replace defective high frequency power supply
.
1.
Replace power supply
.
2.
Replace transformer
.
1.
W
ash dirty cell including any powder build-up on
ionizing wires.
2.
Straighten any bent plates.
3.
Replace any broken or loose ionizing wires.
1.
Assure good contact between cell, and contact boards. Replace defective contact boards.
2.
Assure good contact between cells and ground contact.
Repeat these steps until all problems are eliminated
ST
AR
T
HERE
15