Carrier 42QHF009DS - Care; Care and Maintenance

Cleaning filter reminding function:
After 240 hours of operation, the indoor display window will display and flash CL , this
feature is a reminder to clean the Air Filter for more efficient operation. After 15 seconds,
the system will revert back to the previous display again. When the CL indicator
appears and flashes, please press the LED button on remote controller for 4 times or
press the Manual control button for 3 or more times to clear the registered hours,
otherwise the CL indicator will display and flash again for another 15 seconds
at the next time of starting the unit.
Replacing filter reminding function:
After 2880 hours of operation, the indoor display window will display and flash nF
this feature is a reminder to replace the Air Filter for more efficient operation. After 15
seconds, the system will revert back to the previous display again. When the nF
indicator appears and flashes, please press the LED button on remote controller for 4
times or press the Manual control button for 3 or more times to clear the registered
hours, otherwise the nF indicator will display and flash again for another 15 seconds
at the next time of starting the unit.
Air Filter Reminding Function(optioal)
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DISCONNECT from power source
BEFORE attempting to clean or
service!
Metal parts may have sharp edges that cause injury. TAKE CARE!
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