The Carrier air conditioners are so reliable and durable that it is extremely complex to break this apparatus even having a great desire. In this forces majeure circumstances, the Сarrier air conditioner troubleshooting system will help you to find and correct any breakdown. Do not doubt of your power and possibilities. Refer to this useful system. Simply follow the instruction. Determine those cases, when can you cope with the problem yourself and those ones, which require someone experienced.
Сarrier Cf error
The CF code appears when the filter needs to be cleaned. Once you have done that, reset the clean-filter reminder using a respective button or a F-labelled filter reset function.
Carrier aircon fr error
If you see the FR error code on the display, there may be a fan motor failure. The power may be initiating. However, if the remote unit is not working, maybe it is not getting power from the main unit. Not unlikely, the control section in the control unit has failed
This may be due to loose, faulty or broken wiring between the units. Make sure there is voltage in the remote unit. If not, call a professional technician.