21
TROUBLESHOOTING
Most service problems that appear to be major can often be resolved easily. You can be your own
troubleshooter by reviewing the following guide. All other major servicing should be done by the
manufacturer.
NO.
FAILURE
POSSIBLE CAUSE
SOLUTION
1
Unit is inoperable
Main circuit breaker in not ON
Turn main circuit breaker to ON
position
Blown main circuit breaker fuse
Replace the main circuit breaker
fuse
Unit not hardwired correctly
Refer to “Electrical Wiring
Instructions” and confirm proper
hardwiring
Wires disconnected from mains
or soft set
Refer to “Electrical Wiring
Instructions” and confirm proper
hardwiring
Damaged power cord
Replace damaged power cord
2
Fan works but the air
cleaner functions poorly or
not at all (reduced airflow or
poor filtration)
Plastic wrapping not removed
from one or both filters
Remove plastic wrapping from
filters
Air outlets blocked
Inspect and remove any
blockage from air outlets at both
ends of the unit
One or both pre-filters are fully
loaded
Vacuum the pre-filters
SCA14000 Cobalt Installation Guide
