Table of Contents
Advertisement
Servicing Information
Diagnosis
Abnormality / Protection control
display
Indoor / outdoor abnormal
H11
communication
Indoor intake air temperature
H14
sensor abnormality
Outdoor compressor temperature
H15
sensor abnormality
Outdoor Current Transformer open
H16
circuit
Indoor fan motor mechanism lock
H19
Indoor heat exchanger temperature
H23
sensor abnormality
Outdoor air temperature sensor
H27
abnormality
Outdoor heat exchanger tempera-
H28
ture sensor abnormality
Indoor high pressure protection
H98
Indoor heat exchanger anti-freezing
H99
protection
Cooling / Heating cycle changeover
F11
abnormality
Refrigeration cycle abnormality
F91
Outdoor compressor abnormal
F93
revolution
IPM (power transistor)
F96
overheating protection
Outdoor compressor overheating
F97
protection
Total running current protection
F98
Outdoor Direct Current (DC) peak
F99
detection
Abnormality
Temporary
Judgement
operation
1 min after
–
starting operation
–
–
–
–
t
(Cooling only)
t
t
–
–
4 times
–
occurance within
40 minutes
2 times
–
occurance within
30 minutes
4 times
–
occurance within
30 minutes
4 times
–
occurance within
40 minutes
4 times
–
occurance within
20 minutes
3 times
–
occurance within
30 minutes
7 times
–
occurance
continuously
– 54 –
Primary location to verify
• Internal / external cable connections
• Indoor / Outdoor PCB
• Intake air temperature sensor
(defective or disconnected)
• Compressor temperature sensor
(defective or disconnected)
• Outdoor PCB
• IPM (Power transistor) module
• Indoor PCB
• Fan motor
• Heat exchanger temperature sensor
(defective or disconnected)
• Outdoor temperature sensor
(defective or disconnected)
• Outdoor heat exchanger temperature
sensor
(defective or disconnected)
• Air filter dirty
• Air circulation short circuit
• Insufficient refrigerant
• Air filter dirty
• 4-way valve
• V-coil
• No refrigerant
(3-way valve is closed)
• Compressor
• Outdoor PCB
• Excess refrigerant
• Improper heat radiation
• IPM (Power transistor)
• Insufficient refrigerant
• Compressor
• Excess refrigerant
• Improper heat radiation
• Outdoor PCB
• IPM (Power transistor)
• Compressor
CS-G93KE
Hide quick links:
Advertisement
Table of Contents
