Error
Code
Error Code Indication
TROUBLE SHOOTING
E
01
Wire Controller EEPROM Error
A. Check EEPROM chip on wire controller PCB is
loose,; B. After step A, if unit still displays error
code E01, change the wire controller.
E
02
Indoor Unit PCB EEPROM Error
A. Check EEPROM chip on indoor unit PCB is
loose, the chip location on12KBUT/18KBTU model
PCB is IC11, on 24KBTU/36KBTU model PCB is
IC7; B. After step A, if unit still displays error code
E02, change the indoor unit PCB.
E
03
SIGNAL COMMUNICATION
BETWEEN OUTDOOR UNIT MAIN
PCB AND INVERTER MODULAR
BOARD
A. Check the wiring on outdoor unit main PCB is
correct or loose; B. If step A is passed, then change
outdoor unit main PCB; C. If step A does not pass,
change outdoor unit inverter modular board.
E
05
OUTDOOR UNIT FAN COIL
TEMPERATURE SENSOR
FAILURE
A. Connection location on outdoor unit main PCB
is:
CN15 PO\PG\PQ
for 12kbtu/18kbtu/
24kbtu/36kbtu, PO is for outdoor ambient
temperature sensor, PG is for outdoor fan coil
temperature sensor, PQ is for outdoor unit discharge
gas temperature sensor. Replace with new sensor; B.
after step A, if unit still displays error code E05,
change the outdoor unit main PCB.
E
06
OUTDOOR UNIT AMBIENT
TEMPERATURE SENSOR
FAILURE
A. Connection location on outdoor unit main
PCB is:
CN15 PO\PG\PQ
for 12kbtu/18kbtu/
24kbtu/36kbtu, PO is for outdoor ambient
temperature sensor, PG is for outdoor fan coil
temperature sensor, PQ is for outdoor unit
discharge gas temperature sensor. Replace with
new sensor; B. after step A, if unit still displays
error code E06, change the outdoor unit main
PCB.
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