4% BLOCKED AIR FILTER
REASON FOR FAILURE:
Dirt build-up
Pet hair
SOLUTIONS:
Replace filter
Clean permanent filter
Install high capacity filter
3% BLOWER FAN
REASON FOR FAILURE:
Dirt build-up
Out of balance, vibration
Metal fatigue
SOLUTION:
Clean blower
Replace fan under 7 years old
Recommend replace indoor unit if over 7 years old
Adjust alignment
3% BLOWER MOTOR
REASON FOR FAILURE
Age
Out of balance
Worn bearings
Lack of lubrication
Winding failure
SOLUTION:
Replace motor under 7 years old
Recommend replace indoor unit over 7 years old
Lubricate if required
Replace bearings if possible
6% BREAKER/FUSE
REASON FOR FAILURE:
Age
Power surge
Electrical short
SOLUTION:
Reset breaker
Replace breaker/fuse
Determine cause of power surge
