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Code

Abnormality/Protection

Judgment

Check

Emergency

Operation

H11

Indoor/Outdoor abnormal
communication

>1minute after
starting
operation

Connecting cable, Indoor /outdoor PCB

O

H14

Indoor intake air temp sensor
abnormality

-

Intake air temperature sensor
( defected or disconnected)

X

H15

Outdoor

compressor

temperature

sensor abnormality

Continue for 5
sec.

Compressor temperature
sensor(defected or disconnected)

X

H16

Outdoor current transformer
open circuit

-

Outdoor PCB, IPM module

X

H19

Indoor fan lock

-

Indoor PCB, fan motor

X

H23

Indoor heat exchanger
temperature A sensor

Continue for 5
sec

Heat exchanger temperature sensor
(defected or disconnected)

O

H24

Indoor heat exchanger
temperature B sensor

Continue for 5
sec

Heat exchanger temperature sensor B
(defected or disconnected)

O

H25

Air filter abnormality

-

O

H27

Outdoor air temperature sensor
abnormality

Continue for 5
sec

Outdoor temperature sensor
(defected or disconnected)

O

H28

Outdoor heat exchanger
temperature sensor
abnormality

Continue for 5
sec.

Outdoor heat exchanger sensor
(defected or disconnected)

O

H30

Discharge temperature sensor
abnormality

Continue for 5
sec.

Discharge temperature sensor

(defected or disconnected)

O

H33

Incorrect connection of
Indoor/Outdoor cable

-

Indoor/outdoor supply voltage

X

H97

Outdoor fan motor lock

Twice within
20 sec.

Outdoor fan motor

X

H98

Indoor high pressure
protection

-

Air filter dirty
Air circulation short circuit

-

H99

Indoor heat exchanger
anti-freezing protection

Indoor heat
exchanger
freezing

Insufficient refrigerant
Air filter dirty

-

F11

Cooling/heating cycle
change over abnormality

4 times occurrence
within 30 minutes

4-way valve
V-coil

X

F16

Cooling/Dry cycle changeover
abnormality

4 times occurrence
within 30 minutes

Indoor PCB

X

F90

PFC control

4 times occurrence
within 20 minutes

Voltage at PFC

X

F91

Refrigeration cycle abnormality

2 times occurrence
within 20 minutes

No refrigerant(3-way valve is closed)

X

F93

Compressor abnormality

4 times occurrence
within 20 minutes

Compressor

X

F95

Cool high pressure protection

4 times occurrence
within 20 minutes

Outdoor refrigeration cycle

X

F96

IPM overheating protection

-

Excessive refrigerantImproper heat radiationIPM X

F97

Outdoor

compressoroverheating

protection

4 times occurrence
within 20 minutes

Insufficient refrigerantCompressor

X

F98

Total running currentprotection

3 times occurrence
within 20 minutes

Excess

refrigerantImproper

radiationOutdoor

PCBIPMCompressor

X

F99

Outdoor

Peak

CurrentProtection

Control

4 times occurrence
continuously

within

30 minutes

X

33

Intake temperature is based on the set temperature of remote control and temperature shifting.

 1. Cool/Dry/Heat

 2. Auto

Once the operation starts, remote controller setting temperature will be taken as base value for temperature shifting
processes. These shifting processes are depending on the air conditioner settings and the operation environment. The
final shifted value will be used as internal setting temperature and it is updated continuously whenever the electrical
power is supplied to the unit.

34

Cool/Dry

60 minutes from start-up

-1.0

Heat

60 minutes from start-up

-2.0

35

The frequency for compressor is changed every 30 seconds, and the intake air temperature is measured every second.

After the start-up of the compressor, If the difference between the intake temperature and intake set temperature maintains a
specified value for a while, the frequency will change as below.

Maximum and Minimum Frequency For Cool and Dry

PE9CKE

PE12CKE

Normal

Max.

49

64

Min.

17

17

Dry

Max.

27

34

Min.

22

28

Fc

45

58

Minimum Frequency For Cool and Dry

Fan Speed

PE9CKE

PE12CKE

>Hi

30

37

>Me-

28

35

>Me-

27

34

Auto

27

34

36