Carrier 40MBFQ - Periodic Maintenance Schedule; Troubleshooting Common Problems

OG-40MBFQ-04 Specifications subject to change without notice. 15
TROUBLESHOOTING
Refer to Table 3 on page 16 before contacting your local dealer.
Table 2 — Periodic Maintenance
* Increase frequency in dusty zones.
† Maintenance to be carried out by qualified service personnel. Refer to the Installation Manual.
INDOOR UNIT EVERY MONTH EVERY 6 MONTHS EVERY YEAR
Clean Air Filter*


Replace Carbon Filter 
Change Remote Control Batteries 
OUTDOOR UNIT EVERY MONTH EVERY 6 MONTHS EVERY YEAR
Clean Outdoor Coil from Outside

Clean Outdoor Coil from Inside† 
Blow Air Over Electric Parts† 
Check Electric Connection Tightening† 
Clean Fan Wheel† 
Check Fan Tightening† 
Clean Drain Pans† 