Panasonic Air Conditioner Error Code


Diagnosis display = H00
Abnormality / Protection control = No abnormality detected
Abnormality Judgement =
Emergency operation = Normal operation
Primary location to verify =

Diagnosis display = H11
Abnormality / Protection control = Indoor / Outdoor abnormal communication
Abnormality Judgement = > 1 min after starting operation
Emergency operation = Indoor fan operation only
Primary location to verify = • Internal / external cable connections • Indoor / Outdoor PCB

Diagnosis display = H14
Abnormality / Protection control = Indoor intake air temperature sensor abnormality
Abnormality Judgement = Continue for 5 sec.
Emergency operation =
Primary location to verify = • Intake air temperature sensor (detective or disconnected)

Diagnosis display = H15
Abnormality / Protection control = Outdoor compressor temperature sensor abnormality
Abnormality Judgement = Continue for 5 sec
Emergency operation =
Primary location to verify = Compressor temperature sensor (detective or disconnected)

Diagnosis display = H16
Abnormality / Protection control = Outdoor Current Transformer open circuit
Abnormality Judgement =
Emergency operation =
Primary location to verify = • Outdoor PCB • IPM (Power transistor) module

Diagnosis display = H19
Abnormality / Protection control = Indoor fan motor mechanism locked
Abnormality Judgement = 7 times occurance continuously
Emergency operation =
Primary location to verify = • Indoor PCB • Fan motor

Diagnosis display = H23
Abnormality / Protection control = Indoor heat exchanger temperature sensor abnormality
Abnormality Judgement =
Emergency operation = O (Cooling only}
Primary location to verify = • Heat exchanger temperature sensor (detective or disconnected)

Diagnosis display = H24
Abnormality / Protection control = Indoor heat exchanger temperature sensor 2 abnormality
Abnormality Judgement = Continue for 5 sec.
Emergency operation =
Primary location to verify = • Heat exchanger temperature sensor (detective or disconnected)

Diagnosis display = H27
Abnormality / Protection control = Outdoor intake air temperature sensor abnormality
Abnormality Judgement = Continue for 5 sec.
Emergency operation = O
Primary location to verify = • Outdoor temperature sensor (detective or disconnected)

Diagnosis display = H28
Abnormality / Protection control = Outdoor heat exchanger temperature sensor abnormality
Abnormality Judgement = Continue for 5 sec.
Emergency operation = O
Primary location to verify = • Outdoor heat exchanger temperature sensor (detective or disconnected)

Diagnosis display = H30
Abnormality / Protection control = Outdoor discharge air temperature sensor abnormality
Abnormality Judgement = Continue for 5 sec.
Emergency operation =
Primary location to verify = • Outdoor temperature sensor (detective or disconnected)

Diagnosis display = H33
Abnormality / Protection control = Indoor / Outdoor wrong connection
Abnormality Judgement =
Emergency operation =
Primary location to verify = • Indoor / Outdoor supply voltage

Diagnosis display = H38
Abnormality / Protection control = Indoor / Outdoor mismatch (brand code)
Abnormality Judgement =
Emergency operation =
Primary location to verify =

Diagnosis display = H50
Abnormality / Protection control = Ventilation motor abnormality
Abnormality Judgement = 7 times occurance continuously
Emergency operation =
Primary location to verify = • Indoor PCB • Ventilation motor

Diagnosis display = H51
Abnormality / Protection control = Nozzle lock abnormality
Abnormality Judgement = 2 times occurance continuously
Emergency operation =
Primary location to verify = •Nozzle

Diagnosis display = H52
Abnormality / Protection control = Limit switch abnormality
Abnormality Judgement =
Emergency operation =
Primary location to verify = • Indoor PCB

Diagnosis display = H97
Abnormality / Protection control = Outdoor fan motor mechanism locked
Abnormality Judgement = 2 times occurance within 30 minutes
Emergency operation =
Primary location to verify = • Indoor PCB • Fan motor

Diagnosis display = H98
Abnormality / Protection control = Indoor high pressure protection
Abnormality Judgement =
Emergency operation =
Primary location to verify = • Air filter dirty • Air circulation short circuit

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Diagnosis display = H99
Abnormality / Protection control = Indoor heat exchanger anti-freezing protection
Abnormality Judgement =
Emergency operation =
Primary location to verify = • Insufficient refrigerant • Air filter dirty

Diagnosis display = F11
Abnormality / Protection control = Cooling / Heating cycle changeover abnormality
Abnormality Judgement = 4 times occurance within 30 minutes
Emergency operation =
Primary location to verify = •4-way valve • V-coil

Diagnosis display = F90
Abnormality / Protection control = PFC control
Abnormality Judgement = 4 times occurance within 10 minutes
Emergency operation =
Primary location to verify = • Voltage at PFC

Diagnosis display = F91
Abnormality / Protection control = Refrigerantion cycle abnormality
Abnormality Judgement = 2 times occurance within 20 minutes
Emergency operation =
Primary location to verify = • No refrigerant (3-way valve is closed)

Diagnosis display = F93
Abnormality / Protection control = Compressor rotation failure
Abnormality Judgement = 4 times occurance within 20 minutes
Emergency operation =
Primary location to verify = •Compressor

Diagnosis display = F95
Abnormality / Protection control = Cool high pressure protection
Abnormality Judgement = 4 times occurance within 20 minutes
Emergency operation =
Primary location to verify = • Outdoor refrigerant circuit

Diagnosis display = F96
Abnormality / Protection control = IPM (power transistor) overheating protection
Abnormality Judgement = 4 times occurance within 30 minutes
Emergency operation =
Primary location to verify = • Excess refrigerant • Improper heat radiation • IPM (Power transistor)

Diagnosis display = F97
Abnormality / Protection control = Outdoor compressor overheating protection
Abnormality Judgement = 4 times occurance within 10 minutes
Emergency operation =
Primary location to verify = • Insufficient refrigerant • Compressor

Diagnosis display = F98
Abnormality / Protection control = Total running current protection
Abnormality Judgement = 3 times occurance within 20 minutes
Emergency operation =
Primary location to verify = • Excess refrigerant • Improper heat radiation

Diagnosis display = F99
Abnormality / Protection control = Outdoor Direct Current (DC) peak detection
Abnormality Judgement = 7 times occurance continuously
Emergency operation =
Primary location to verify = • Outdoor PCB • IPM (Power transistor) • Compressor

Error codes for 9,000-24,000 BTU Models

Panasonic inverter air conditioner error codes

S01 Room temperature sensor failure Refer to detailed diagnostic
S02 Indoor coil sensor failure Check sensor for continuity
S03 Humidity sensor failure Replace indoor board
S04 Comp. temperature sensor failure Check sensor for continuity
S05 Outdoor coil sensor failure Check sensor for continuity
S06 Outdoor air sensor failure Check sensor for continuity
S07 Outdoor current sensor failure Replace outdoor board
E01 Indoor/outdoor communication failure Refer to detailed diagnostics
E02 HIC circuit failure (Compressor/Fan circuit) Refer to detailed diagnostics
E03 Outdoor unit OTP rom failure Refer to detailed diagnostics
E04 Peak current cut off Refer to detailed diagnostics
E05 PAM or Active circuit failure Refer to detailed diagnostics
E06 High compressor discharge temperature Refer to detailed diagnostics
E07 Indoor fan operating failure Refer to detailed diagnostics
E08 4 way valve switching failure (RV) Refer to detailed diagnostics
E09 No refrigerant protection Refer to detailed diagnostics
E10 DC compressor drive circuit failure Refer to detailed diagnostics
E11 Outdoor fan operating failure Refer to detailed diagnostics
E12 Error in outdoor unit Refer to detailed diagnostics
E13 Freeze prevention activated Refer to detailed diagnostics

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3 Responses to Panasonic Air Conditioner Error Code

  1. meisam says:

    Hello
    code remot model 30esk
    tahnkyou

  2. Mike says:

    What is error code H00?

  3. thama says:

    indoor blinking. model cs-T34kb4h52 inverter cassette. if indoor on compressor start amp4’indoor cool. 3min after timer blinking .already coil sensor. float switch change ready. how? ( wireless remote )

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