15.3 Error Codes Table

Diagnosis

Abnormality /

Abnormality

Protection

Problem

Check location

display

Protection control

Judgment

Operation

 

 

H00

No memory of failure

Normal operation

 

 

 

 

 

 

 

Indoor/outdoor

 

Indoor fan only

 

š Indoor/outdoor wire terminal

 

After operation for

operation can

Indoor/outdoor

H11

abnormal

start by entering

communication not

š Indoor/outdoor PCB

1 minute

 

communication

into force cooling

establish

š Indoor/outdoor connection wire

 

 

 

 

 

operation

 

 

 

 

 

 

Total indoor capability

š Indoor/outdoor connection wire

 

Indoor unit capacity

90s after power

 

more than maximum limit

H12

 

š Indoor/outdoor PCB

or less than minimum limit,

unmatched

supply

š Specification and combination

 

 

or number of indoor unit

 

 

 

 

table in catalogue

 

 

 

 

less than two

 

 

 

 

 

 

Indoor intake air

 

 

Indoor intake air

š Indoor intake air temperature

H14

temperature sensor

Continuous for 5s

temperature sensor open

sensor lead wire and connector

 

abnormality

 

 

or short circuit

 

 

 

 

 

Compressor

 

 

Compressor temperature

š Compressor temperature

H15

temperature sensor

Continuous for 5s

sensor open or short circuit

sensor lead wire and connector

 

abnormality

 

 

 

 

 

 

 

 

Outdoor current

 

 

Current transformer faulty

š Outdoor PCB faulty or

H16

transformer (CT)

or compressor faulty

compressor faulty

 

abnormality

 

 

 

 

 

 

 

H19

Indoor fan motor

Continuous

Indoor fan motor lock or

š Fan motor lead wire and

connector

mechanism lock

happen for 7 times

feedback abnormal

 

 

š Fan motor lock or block

 

 

 

 

 

 

Indoor heat

 

 

Indoor heat exchanger

š Indoor heat exchanger

H23

exchanger

 

 

Continuous for 5s

temperature sensor open

temperature sensor lead wire

temperature sensor

 

 

 

or short circuit

and connector

 

abnormality

 

 

 

 

 

 

 

 

Indoor heat

 

 

Indoor heat exchanger

š Indoor heat exchanger

H24

exchanger

 

 

Continuous for 5s

temperature sensor 2 open

temperature sensor 2 lead wire

temperature sensor

 

 

 

or short circuit

and connector

 

2 abnormality

 

 

 

 

 

 

 

 

Outdoor air

 

 

Outdoor air temperature

š Outdoor air temperature sensor

H27

temperature sensor

Continuous for 5s

sensor open or short circuit

lead wire and connector

 

abnormality

 

 

 

 

 

 

 

 

Outdoor heat

 

 

Outdoor heat exchanger

š Outdoor heat exchanger

H28

exchanger

 

 

Continuous for 5s

temperature sensor 1 open

temperature sensor 1 lead wire

temperature sensor

 

 

 

or short circuit

and connector

 

1 abnormality

 

 

 

 

 

 

 

 

Outdoor discharge

 

 

Outdoor discharge pipe

š Outdoor discharge pipe

H30

pipe temperature

Continuous for 5s

temperature sensor open

temperature sensor lead wire

 

sensor abnormality

 

 

or short circuit

and connector

 

Outdoor heat

 

 

Outdoor heat exchanger

š Outdoor heat exchanger

H32

exchanger

 

 

Continuous for 5s

temperature sensor 2 open

temperature sensor 2 lead wire

temperature sensor

 

 

 

or short circuit

and connector

 

2 abnormality

 

 

 

 

 

 

 

 

Indoor / outdoor

 

 

Indoor and outdoor rated

 

H33

misconnection

š Indoor and outdoor units check

voltage different

 

abnormality

 

 

 

 

 

 

 

 

 

Outdoor gas pipe

 

Heating

Outdoor gas pipe

š Outdoor gas pipe temperature

H36

temperature sensor

Continuous for 5s

protection

temperature sensor open

sensor lead wire and connector

 

abnormality

 

operation only

or short circuit

 

 

 

 

Outdoor liquid pipe

 

Cooling

Outdoor liquid pipe

š Outdoor liquid pipe temperature

H37

temperature sensor

Continuous for 5s

protection

temperature sensor open

sensor lead wire and connector

 

abnormality

 

operation only

or short circuit

 

 

 

 

Indoor/Outdoor

 

 

 

š Check indoor unit and outdoor

H38

mismatch (brand

Brand code not match

unit

 

code)

 

 

 

 

 

 

 

 

 

 

 

 

 

š Check indoor/outdoor

 

 

 

 

Wrong wiring and

connection wire and connection

 

Abnormal indoor

3 times happen

 

connecting pipe, expansion

pipe

H39

operating unit or

valve abnormality, indoor

š Indoor heat exchanger sensor

within 40 minutes

 

standby units

 

heat exchanger sensor

lead wire and connector

 

 

 

 

 

 

 

open circuit

š Expansion valve and lead wire

 

 

 

 

 

and connector

H59

ECONAVI sensor

Continuous for 25s

ECONAVI sensor open or

š ECONAVI sensor (defective or

disconnected)

abnormality

short circuit

 

 

 

š ECONAVI PCB

 

 

 

 

 

H64

Outdoor high

Continuous for

High pressure sensor open

š High pressure sensor

pressure sensor

1 minute

circuit during compressor

š Lead wire and connector

 

abnormality

 

stop

 

 

 

 

H97

Outdoor fan motor

2 times happen

Outdoor fan motor lock or

š Outdoor fan motor lead wire

and connector

mechanism lock

within 30 minutes

feedback abnormal

 

 

š Fan motor lock or block

 

 

 

 

 

53

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Panasonic CS-XE9PKUA, CS-XE12PKUA, CU-XE9PKUA, CU-XE12PKUA manual Error Codes Table, Protection control

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