Kaysun KCCT-64 I (B), Installation And Owner'S Manual, Page: 26 / 28

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2.4.4 Error code table
Fault code Fault content Description
EF Other faults
EE
Water level detection faults
ED
EC
Cleaning fault
EB Inverter module protection
EA Over-current of compressor(4 times)
E9 Fault of communication between main board and display board
E8
Air speed detection out of control
E7 EEPROM error
E6
Zero crossing detection error
E5 Outdoor unit fault protection
E4
T2A sensor fault
E3 T1 sensor fault
E2
Communication fault
E1 Phase order error or phase loss
E0
07#
06#
05#
04#
03#
Fault of communication between centralized controller and computer (gateway)
02#
Fault of communication between centralized controller and functional module
01#
Fault of communication between centralized controller and network interface module
00#
Fault of communication between network interface module and main control board
Protection
code
Protection content Description
PF
Other protection
PE
Reserved
PD
Reserved
PC
Reserved
PB
Reserved
PA
Reserved
P9 Reserved
P8
Over-current of compressor
P7 Power supply over-voltage and undervoltage protection
P6
Discharge low pressure protection
P5
Discharge high pressure protection
P4
Discharge pipe temperature protection
P3
Compressor temperature protection
P2
Condenser high-temperature protection
P1
Anti cool air or defrost protection
P0
Evaporator temperature protection