Common Troubleshooting Techniques - Carrier EACA 0014 Manual For Installation, Operation & Maintenance

COMMON TROUBLESHOOTING TECHNIQUES

SYMPTOM
Rapid arcing or zapping
Excessive ozone smell
Excessive ozone smell
Hissing or sizzling noise
Green LED light is not ON
Red LED light is not ON
POSSIBLE CAUSES
Broken or loose ionizing wire(s)
Dirty ionizing-collector cell
Damaged or bent collector plates
Dirty insulator caps on ionizing-
collector cell
Air cleaner is wired directly to a
120V power source
Loose high voltage connections
Radio or television interference
Poor electrical contact
No power available
Loose wiring at ON/OFF switch
Defective ON/OFF switch
ON/OFF switch not in ON position
Loose wiring within power pack
assembly
Broken or shorted electrical
component
Excessive dirt build up on ionizing
wires
Contact board assemblies are
corroded or carbonized
Broken ionizing wire
Dirty ionizing-collector cell
Foreign object located between
collector plates
Damaged or bent collector plates
Insulators are corroded or
carbonized
Table 1
12
CORRECTIVE ACTION
Remove broken or loose wire and
replace with new wire
Clean as outlined on page 10-11
Straighten plates with needlenose
pliers or replace entire ionizing-
collector cell.
Clean with warm soapy water and
rinse well
Qualified HVAC contractor must
install AFS or rewire air cleaner
To the HVAC system blower
Repair or replace the component
Uncommon occurance --
check for good common ground
for air cleaner
Ensure that there is a good
connection between the top of
the ionizing-collector cell and the
bottom of the contact board
assembly
Contact HVAC contractor
Reset circuit breaker
Replace fuse
Check for secure connection
Replace ON/OFF switch
Turn the unit ON
Check for secure connections
Contact HVAC contractor
Contact HVAC contractor
Clean wires with alcohol and
allow to dry thoroughly before
turning the unit ON
Replace contact board assembly
Remove broken wire and replace
with new wire
Clean as outlined on page 10-11
Remove object from ionizing-
collector cell
Straighten with a pair of needle-
nose pliers or replace cell
Replace insulators or ionizing-
collector cell