iKOOL-10/25/50/80 Plus, iKOOL-100
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The error code ' F1' means the indoor unit PCB and outdoor unit PCB cannot communicate with each...Error Code: F4 - Internal Fan Fault
The error code 'F4' is indicating either a fault with the indoor fan motor or indoor PCB. To...Error Code: F5 - IPM Module Fault ( Intelligent Power Module )
The IPM module is the inverter module which controls the speed of the compressor and the outdoor...Error Code: FF - Outdoor Unit Fault
This fault code 'FF' can mean many different things related to the outdoor units components. To...Error Code: F6/F7/F9 - External Temperature Sensor Fault
All 3 error codes means there is something wrong with the sensors - the difference between the...