59
H59
ECO sensor
abnormality
Continuous for 70s
—
ECO sensor open or
short circuit
•
ECO sensor
•
ECO and Indoor PCB
H64
Outdoor high
pressure sensor
abnormality
Continuous for 1
minutes
—
High pressure sensor open
circuit during compressor
stop
•
High pressure sensor
•
Lead wire and connector
H70
Light sensor
abnormality
Continuous for 24
hours
—
Light sensor open or
short circuit
•
Light sensor
•
Indoor PCB
H97
Outdoor fan motor
mechanism lock
2 times happen
within 30 minutes
—
Outdoor fan motor lock or
feedback abnormal
•
Outdoor fan motor lead wire
and connector
•
Fan motor lock or block
H98
Indoor high pressure
protection
— —
Indoor high pressure
protection (Heating)
•
Check indoor heat exchanger
•
Air filter dirty
•
Air circulation short circuit
H99
Indoor operating unit
freeze protection
— —
Indoor freeze protection
(Cooling)
•
Check indoor heat exchanger
•
Air filter dirty
•
Air circulation short circuit
F11
4-way valve
switching
abnormality
4 times happen
within 30 minutes
—
4-way valve switching
abnormal
•
4-way valve
•
Lead wire and connector
F17
Indoor standby units
freezing abnormality
3 times happen
within 40 minutes
—
Wrong wiring and
connecting pipe, expansion
valve leakage, indoor heat
exchanger sensor open
circuit
•
Check indoor/outdoor
connection wire and pipe
•
Indoor heat exchanger sensor
lead wire and connector
•
Expansion valve lead wire and
connector
F90
Power factor
correction
(PFC) circuit
protection
4 times happen
within 10 minutes
—
Power factor correction
circuit abnormal
•
Outdoor PCB faulty
F91
Refrigeration cycle
abnormality
2 times happen
within 20 minutes
—
Refrigeration cycle
abnormal
•
Insufficient refrigerant or valve
close
F93
Compressor
abnormal revolution
4 times happen
within 20 minutes
—
Compressor abnormal
revolution
•
Power transistor module faulty
or compressor lock
F94
Compressor
discharge overshoot
protection
4 times happen
within 30 minutes
—
Compressor discharge
pressure overshoot
•
Check refrigeration system
F95
Outdoor cooling high
pressure protection
4 times happen
within 20 minutes
—
Cooling high pressure
protection
•
Check refrigeration system
•
Outdoor air circuit
F96
Power transistor
module overheating
protection
4 times happen
within 30 minutes
—
Power transistor module
overheat
•
PCB faulty
•
Outdoor air circuit (fan motor)
F97
Compressor
overheating
protection
3 times happen
within 30 minutes
— Compressor
overheat
•
Insufficient refrigerant
F98
Total running current
protection
3 times happen
within 20 minutes
— Total
current
protection
•
Check refrigeration system
•
Power source or compressor
lock
F99
Outdoor direct
current (DC) peak
detection
Continuous
happen for 7 times
—
Power transistor module
current protection
•
Power transistor module faulty
or compressor lock
Summary of Contents for CS-AE9NKE
Page 12: ...12 4 Location of Controls and Components 4 1 Indoor Unit 4 2 Outdoor Unit 4 3 Remote Control ...
Page 13: ...13 5 Dimensions 5 1 Indoor Unit ...
Page 14: ...14 5 2 Outdoor Unit ...
Page 15: ...15 6 Refrigeration Cycle Diagram ...
Page 16: ...16 7 Block Diagram ...
Page 17: ...17 8 Wiring Connection Diagram 8 1 Indoor Unit ...
Page 19: ...19 9 Electronic Circuit Diagram 9 1 Indoor Unit ...
Page 20: ...20 9 2 Outdoor Unit ...
Page 23: ...23 10 2 Outdoor Unit 10 2 1 Main Printed Circuit Board ...
Page 29: ...29 ...
Page 91: ...91 Figure 3 Figure 4 16 1 1 3 To remove discharge grille Figure 5 ...
Page 93: ...93 Figure 8 Figure 9 ...
Page 94: ...94 Figure 10 ...