A0 Indoor Error of external protection device
A1 Indoor PCB defec
A3 Indoor Malfunction of drain Level control
systim
A4 Temperature of Heat Exchanger (1) error
A5 Indoor Freeze-up prevention
A6 Indoor Fan motor lock, Overload
A7 Indoor Malfunction of swing motor flap
A9 Indoor Malfunction of EEV
AF Indoor Drain level above limit (clogging)
AJ Indoor Malfunction of capacity set device
C3 Indoor Malfunction of drain thermistor
C4 Indoor Malfunction of liquid pipe thermistor
C5 Indoor Malfunction of gas pipe thermistor
C7 Indoor Lower louvre limit switch/motor
C9 Indoor Malfunction of air thermistor
CC Indoor Malfunction of moisture sensor
CA Indoor Malfunction of discharge air
thermistor
CJ Indoor Malfunction of remote control
thermistor
CE Indoor Malfunction of radiant heat sensor
E0 Outdoor Activation of outdoor safety device
E1 Outdoor PCB defect
E3 Outdoor Activation of high pressure switch
E4 Outdoor Activation of low pressure switch
E5 Outdoor Activation of compressor over heat
protection
E5 Outdoor Compressor motor lock
E6 Outdoor Compressor start up error
E6 Outdoor Standard compressor lock/
overcurrent
E7 Outdoor Fan motor lock, Overload
E8 Outdoor Inverter input overcurrent
E9 Outdoor Malfunction of EEV
EA Outdoor Four way valve defective.
F3 Outdoor Abnormal discharge pipe
temperature
F6 Outdoor Refrigerant overcharged
FC Outdoor Low pressure drop.
H3 Outdoor High pressure switch defect
H4 Outdoor Low pressure switch defect
H6 Outdoor Compressor motor position
detection sensor error
H7 Outdoor Fan motor position detection
sensor error
H8 Outdoor Current transformer error
H9 Outdoor Malfunction of air thermistor
J1 Outdoor Malfunction of pressure sensor
J2 Outdoor Current sensor malfunction
J3 Outdoor Malfunction of discharge pipe
thermistor
J4 Outdoor Low pressure saturation
thermistor
J5 Outdoor Malfunction of suction pipe
thermistor
J6 Outdoor Malfunction of heat exchanger
thermistor
J7 Outdoor Malfunction of heat exchanger
liquid thermistor
J8 Outdoor Malfunction of liquid pipe
thermistor
J9 Outdoor Malfunction of gas pipe thermistor
JA Outdoor Malfunction of discharge pipe
pressure sensor
JC Outdoor Malfunction of suction pipe
pressure sensor
JH Outdoor Malfunction of oil temperature
sensor
L0 Outdoor Malfunction of inverter
L3 Outdoor Electronic component box
overheat
L4 Outdoor Inverter cooling defect
L5 Outdoor Comp motor ground fault, Short
circuit
L6 Outdoor Compressor motor grounding/
short circuit
L7 Outdoor Total input overcurrent
L8 Outdoor Comp overload, Motor
disconnected
L9 Outdoor Compressor lock
LA Outdoor Power unit malfunctio
LC Outdoor Transmission between inverter &
outdoor
P1 Outdoor Inverter over ripple
P3 Outdoor Thermistor abnormality
P4 Outdoor Power unit humidity sensor
malfunction
PJ Outdoor Failure of capacity set resistor
U0 System Shortage of refrigerant or EEV
failure
U1 System Negative phase, Open phase
U2 System Power supply insufficient
U3 System Wiring check operation not
executed
U3 System Mismatch of indoor and outdoor
units (Split only)
U4 System Transmission between indoor units
U5 System Transmission to remote controller
U6 System Malfunction transmission outdoor
to BP unit
U7 System Transmission between outdoor
units
U7 Outdoor Malfunction between outdoor
boards(RMX/RX RK)
U8 System Transmission between master &
slave R/C
U9 System Transmission error between indoor
to outdoor
UA System Excessive number of fancoils
UC System Address duplication of central
controllers
UE System Transmission error between indoor
& central
UF System Refrigeration system not set/wiring
- piping
UF System Terminals 1 and 3 crossed (Split/
Skyair)
