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93
H39
Abnormal indoor
operating unit or
standby units
3 times happen
within 40 minutes
—
Wrong wiring and connecting
pipe, expansion valve
abnormality, indoor heat
exchanger sensor open
circuit
• Check indoor/outdoor connection
wire and connection pipe
• Indoor heat exchanger sensor
lead wire and connector
• Expansion valve and lead wire
and connector
H41
Abnormal wiring or
piping connection
—
—
Wrong wiring and connecting
pipe, expansion valve
abnormality
• Check indoor/outdoor connection
wire and connection pipe
• Expansion valve and lead wire
and connector.
H58
Indoor gas sensor
abnormality
Continuous for 6
hours
—
Indoor gas sensor open or
short circuit
• Indoor gas sensor
• Indoor PCB
H59
ECO patrol sensor
abnormality
Continuous for
70s
—
ECO patrol sensor open or
short circuit
• ECO patrol sensor
• ECO patrol 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
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
pressure 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
Abnormality /
Protection control
Abnormality
Judgement
Protection
operation
Problem
Check location
Diagnosis
display
Summary of Contents for CS-E12LKEW
Page 21: ...21 ...
Page 22: ...22 ...
Page 23: ...23 ...
Page 24: ...24 ...
Page 25: ...25 ...
Page 26: ...26 ...
Page 28: ...28 4 Location of Controls and Components 4 1 Indoor Unit 4 2 Outdoor Unit ...
Page 31: ...31 5 1 2 CS E18LK CS E21LK CS XE18LK CS XE21LK ...
Page 33: ...33 6 Refrigeration Cycle Diagram 6 1 CU E7LKE CU E9LKE CU E12LKE CU E15LKE ...
Page 34: ...34 6 2 CU E7LKE 3 CU E9LKE 3 CU E12LKE 3 ...
Page 35: ...35 6 3 CU E18LKE CU E21LKE ...
Page 36: ...36 7 Block Diagram 7 1 CU E7LKE CU E9LKE CU E15LKE ...
Page 37: ...37 7 2 CU E12LKE ...
Page 38: ...38 7 3 CU E7LKE 3 CU E9LKE 3 CU E12LKE 3 ...
Page 39: ...39 7 4 CU E18LKE CU E21LKE ...
Page 41: ...41 8 1 2 CS E18LK CS E21LK CS XE18LK CS XE21LK ...
Page 42: ...42 8 2 Outdoor Unit 8 2 1 CU E7LKE CU E9LKE CU E15LKE ...
Page 43: ...43 8 2 2 CU E12LKE ...
Page 44: ...44 8 2 3 CU E7LKE 3 CU E9LKE 3 CU E12LKE 3 ...
Page 45: ...45 8 2 4 CU E18LKE CU E21LKE ...
Page 47: ...47 9 1 2 CS E18LK CS E21LK CS XE18LK CS XE21LK ...
Page 48: ...48 9 2 Outdoor Unit 9 2 1 CU E7LKE CU E9LKE CU E15LKE ...
Page 49: ...49 9 2 2 CU E12LKE ...
Page 50: ...50 9 2 3 CU E7LKE 3 CU E9LKE 3 CU E12LKE 3 ...
Page 51: ...51 9 2 4 CU E18LKE CU E21LKE ...
Page 52: ...52 10 Printed Circuit Board 10 1 Indoor Unit 10 1 1 Main Printed Circuit Board ...
Page 53: ...53 10 1 2 Power Printed Circuit Board 10 1 3 Indicator Printed Circuit Board ...
Page 56: ...56 ...
Page 57: ...57 10 2 2 CU E18LKE CU E21LKE ...
Page 125: ...125 17 1 1 3 To remove power electronic controller 17 1 1 4 To remove discharge grille ...
Page 126: ...126 17 1 1 5 To remove control board 17 1 1 6 To remove cross flow fan and indoor fan motor ...
Page 127: ...127 ...
Page 129: ...129 17 2 1 3 To remove power electronic controller ...
Page 130: ...130 17 2 1 4 To remove discharge grille 17 2 1 5 To remove control board ...
Page 131: ...131 17 2 1 6 To remove cross flow fan and indoor fan motor ...
Page 132: ...132 ...
Page 135: ...135 18 Technical Data 18 1 Operation Characteristics 18 1 1 CU E7LKE ...
Page 136: ...136 ...
Page 137: ...137 ...
Page 138: ...138 ...
Page 139: ...139 18 1 2 CU E9LKE ...
Page 140: ...140 ...
Page 141: ...141 ...
Page 142: ...142 ...
Page 143: ...143 18 1 3 CU E12LKE ...
Page 144: ...144 ...
Page 145: ...145 ...
Page 146: ...146 ...
Page 147: ...147 18 1 4 CU E15LKE ...
Page 148: ...148 ...
Page 149: ...149 ...
Page 150: ...150 ...
Page 151: ...151 18 1 5 CU E7LKE 3 ...
Page 152: ...152 ...
Page 153: ...153 ...
Page 154: ...154 ...
Page 155: ...155 18 1 6 CU E9LKE 3 ...
Page 156: ...156 ...
Page 157: ...157 ...
Page 158: ...158 ...
Page 159: ...159 18 1 7 CU E12LKE 3 ...
Page 160: ...160 ...
Page 161: ...161 ...
Page 162: ...162 ...
Page 163: ...163 18 1 8 CU E18LKE Cooling Characteristic at Different Outdoor Air Temperature ...
Page 164: ...164 Cooling Characteristic at Different Piping Length ...
Page 165: ...165 Heating Characteristic at Different Outdoor Air Temperature ...
Page 166: ...166 Heating Characteristic at Different Piping Length ...
Page 167: ...167 18 1 9 CU E21LKE Cooling Characteristic at Different Outdoor Air Temperature ...
Page 168: ...168 Cooling Characteristic at Different Piping Length ...
Page 169: ...169 Heating Characteristic at Different Outdoor Air Temperature ...
Page 170: ...170 Heating Characteristic at Different Piping Length ...