Error Codes Table - Panasonic CS-E9HKEA Service Manual

14.4. Error Codes Table

Diagnosis
Abnormality / Protection control
display
H00 No abnormality detected
H11 Indoor / outdoor abnormal communication
H12 Connection capability rank abnormal
Indoor intake air temperature sensor
H14
abnormality
Outdoor compressor temperature sensor
H15
abnormality
H16 Outdoor Current Transformer open circuit
H19 Indoor fan motor merchanism locked
Indoor heat exchanger temperature
H23
sensor abnormality
H26 Ionizer breakdown
Outdoor intake air temperature sensor
H27
abnormality
Outdoor heat exchanger temperature
H28
sensor abnormality
Outdoor discharge air temperature sensor
H30
abnormality
H33 Indoor/Outdoor wrong connection
H38 Indoor / outdoor mismatch (brand code)
H97 Outdoor fan motor mechanism locked
H98 Indoor high pressure protection
Indoor heat exchanger anti-freezing
H99
protection
Cooling / Heating cycle changeover
F11
abnormality
F90 PFC control
F91 Refrigeration cycle abnormality
F93 Compressor rotation failure
F95 Cool high pressure protection
IPM (power transistor) overheating
F96
protection
Outdoor compressor overheating
F97
protection
F98 Total running current protection
Outdoor Direct Current (DC) peak
F99
detection
Note:
"O" - Frequency measured and fan speed fixed.
The memory data of error code is erased when the power supply is cut off, or press the Auto Switch until "beep" sound heard
following by pressing the "RESET" button at remote controller.
Although operation forced to stop when abnormality detected, emergency operation is possible for certain errors (refer to Error
Codes Table) by using remote controller or Auto Switch at indoor unit. However, the remote controller signal receiving sound is
changed from one "beep" to four "beep" sounds.
Abnormality Emergency
Judgement operation
— Normal operation
> 1 min after starting Indoor fan operation
operation
—
Continue for 5 sec.
Continue for 5 sec.
—
—
Continue for 5 sec.
(Cooling only)
—
Continue for 5 sec.
Continue for 5 sec.
Continue for 5 sec.
—
—
2 times occurance
within 30 minutes
—
—
4 times occurance
within 30 minutes
4 times occurance
within 10 minutes
2 times occurance
within 20 minutes
—
4 times occurance
within 20 minutes
—
4 times occurance
within 10 minutes
3 times occurance
within 20 minutes
7 times occurance
continuously
37
Primary location to verify
• Internal / external cable connections
only • Indoor / Outdoor PCB
—
• Intake air temperature sensor
—
(detective or disconnected)
• Compressor temperature sensor
—
(detective or disconnected)
• Outdoor PCB
—
• IPM (Power transistor) module
• Indoor PCB
—
• Fan motor
O • Heat exchanger temperature sensor
(defective or disconnected)
— • Ionizer
• Outdoor temperature sensor
O
(defective or disconnected)
• Outdoor heat exchanger temperature
O
sensor (defective or disconnected)
• Outdoor temperature sensor
—
(defective or disconnected)
— • Indoor/Outdoor supply voltage
—
• Indoor PCB
—
• Fan motor
• Air filter dirty
—
• Air circulation short circuit
• Insufficient refrigerant
—
• Air filter dirty
• 4-way valve
—
• V-coil
— • Voltage at PFC
• No refrigerant
—
(3-way valve is closed)
— • Compressor
— • Outdoor refrigerant circuit
• Excess refrigerant
— • Improper heat radiation
• IPM (Power transistor)
• Insufficient refrigerant
—
• Compressor
• Excess refrigerant
—
• Improper heat radiation
• Outdoor PCB
— • IPM (Power transistor)
• Compressor
—
—
—