
105
12.6. Self-diagnosis error code table
• The display screen on the wired remote control unit and the self-diagnosis LEDs (green) on the outdoor unit printed circuit board
in the outdoor unit can be used to indicate where the location of a problem is.
Refer to the table below to remove the cause of the problem, and then re-start the air conditioner system.
• If the problem disappears and operation returns to normal, the CHECK display on the remote control unit will switch off, but the
self-diagnosis LED will remain illuminated until operation is resumed. ... illuminated.
Wired remote
control unit display
Outdoor unit printed circuit board
LED
Location or problem
Check location
Abnormal
display
Detail
display
2
3
4
5
6
7
8
F15
-01
Drain level Float switch problem Drain pump and drain pipe, indoor unit
connectors CN-DRMTR&CN-TH2
F16
-01
Louver switch problem
Louver motor, decorative panel connection
terminal, or indoor unit louver motor
connectors
F17
-02
D.C. Fan motor problem
Indoor unit D.C.Fan motor or connection
terminals
F20
-01
Indoor temperature sensor
problem
Indoor temperature sensor lead wire or indoor
unit connector or CN-TH2
-02
Remote control thermistor
problem
Remote control thermistor
F21
-01
Pipe temp. sensor problem
(indoor unit)
Pipe temperature sensor lead wire or indoor
unit connector CN-TH1
F26
-01
Remote control transmission
problem
Remote control unit cable and connection
terminals
F27
-01
Indoor/outdoor unit
disconnection problem
Indoor/outdoor unit connection cable and
connection terminals, or indoor unit and
outdoor unit power supplies (indoor side)
-05
Indoor/outdoor unit connection
error problem
Indoor/outdoor unit connection wire (indoor
side)
-01
Indoor/outdoor unit
disconnection problem
Indoor/outdoor unit connection cable and
connection terminals, or indoor unit and
outdoor unit power supplies (outdoor side)
-05
Indoor/outdoor unit connection
problem
Indoor/outdoor unit connection wire (outdoor
side)
F30
-01
System problem
Total capacity for the number of indoor units is
insufficient, or over check the total capacity
and the number of indoor units
-02
Open phase, or reversed phase
of supply
Check the main power supply terminal board
connections, or switch over any two of the
power supply wires.
F31
-01
Suction pressure protection
Insufficient refrigerant
-02
High-pressure cut-off
Check the Refrigeration system
-06
4 way valve information
Check the 4 way valve or lead wire
-10
Refrigerant system problem
Insufficient refrigerant or valve operation
(closed)
F32
-05
Compressor overcurrent
protection
Open phase or lock in compressor
-06
Compressor discharge temp.
protection
Insufficient refrigerant
F40
-21
Heat exchanger outlet
temperature sensor problem
Heat exchanger outlet temperature sensor
(COND TEMP) lead wire, connector CN-TH1
-51
Compressor discharge
temperature sensor problem
Compressor discharge temperature sensor
(DIS T. TEMP) lead wire, connector CN-DIS
F41
-02
High pressure switch open circuit
problem
High-pressure switch lead wire, connector
CN-PSW1
-12
Low pressure sensor problem
Low pressure sensor lead wire, connector
F42
-11
Current detector open circuit
Outdoor unit P.C. B (NOISE FILTER) fault or
connector ACN2
Summary of Contents for CS-F24DTE5
Page 18: ...18 4 Dimensions 4 1 CS F24DTE5 CS F28DTE5 ...
Page 19: ...19 4 2 CS F34DTE5 CS F43DTE5 CS F50DTE5 ...
Page 20: ...20 4 3 CU J24DBE5 CU J24DBE8 CU J28DBE5 CU J28DBE8 ...
Page 21: ...21 4 4 CU J34DBE5 CU J34DBE8 CU J43DBE8 CU J50DBE8 ...
Page 23: ...23 5 2 CS F34DTE5 CU J34DBE5 CU J34DBE8 CS F43DTE5 CU J43DBE8 CS F50DTE5 CU J50DBE8 ...
Page 25: ...25 6 3 CU J34DBE5 6 4 CU J24DBE8 CU J28DBE8 6 5 CU J34DBE8 CU J43DBE8 CU J50DBE8 ...
Page 26: ...26 7 Wiring Diagram 7 1 CS F24DTE5 CS F28DTE5 CS F34DTE5 CS F43DTE5 CS F50DTE5 ...
Page 27: ...27 7 2 CU J24DBE5 CU J28DBE5 ...
Page 28: ...28 7 3 CU J34DBE5 ...
Page 29: ...29 7 4 CU J24DBE8 CU J28DBE8 ...
Page 30: ...30 7 5 CU J34DBE8 CU J43DBE8 CU J50DBE8 ...
Page 32: ...32 8 2 Remote Control Display ...
Page 33: ...33 8 3 Remote Control Panel ...
Page 116: ...116 13 4 Sound data ...
Page 117: ...117 ...
Page 118: ...118 ...
Page 119: ...119 ...
Page 120: ...120 ...
Page 121: ...121 13 5 Sound measuring point 13 5 1 Indoor Unit 13 5 2 Outdoor Unit ...
Page 127: ...127 14 Exploded View Indoor Unit 14 1 CS F24DTE5 CS F28DTE5 ...
Page 128: ...128 14 2 CS F24DTE5 CS F28DTE5 ...
Page 129: ...129 14 3 CS F24DTE5 CS F28DTE5 ...
Page 132: ...132 16 Exploded View Indoor Unit 16 1 CS F34DTE5 CS F43DTE5 CS F50DTE5 ...
Page 133: ...133 16 2 CS F34DTE5 CS F43DTE5 CS F50DTE5 ...
Page 134: ...134 16 3 CS F34DTE5 CS F43DTE5 CS F50DTE5 ...
Page 137: ...137 18 Exploded View Outdoor Unit 18 1 CU J24DBE5 CU J24DBE8 CU J28DBE5 CU J28DBE8 ...
Page 138: ...138 18 2 CU J24DBE5 CU J24DBE8 CU J28DBE5 CU J28DBE8 ...
Page 140: ...140 20 Exploded View Outdoor Unit 20 1 CU J34DBE5 CU J34DBE8 CU J43DBE8 CU J50DBE8 ...
Page 141: ...141 20 2 CU J34DBE5 CU J34DBE8 CU J43DBE8 CU J50DBE8 ...
Page 142: ...142 20 3 CU J34DBE5 CU J34DBE8 CU J43DBE8 CU J50DBE8 ...
Page 144: ...144 22 Print Pattern 22 1 Indoor Unit Printed Main ...