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12.5. 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
dispaly
Detail
dispaly
2
3
4
5
6
7
8
F15
-01
Drain level Float switch problem Drain pump and drain pipe, indoor unit con-
nectors
F16
-01
Louver switch problem
Louver motor, decorative panel connection
terminal, or indoor unit louver motor connec-
tors
F17
-02
D.C. Fan motor problem
Indoor unit D.C.Fan motor or connection ter-
minals
F20
-01
Indoor temperature sensor prob-
lem
Indoor temperature sensor lead wire or indoor
unit connector
-02
Remote control thermistor prob-
lem
Remote control thermistor
F21
-01
Pipe temp. sensor problem
(indoor unit)
Pipe temperature sensor lead wire or indoor
unit connector
F26
-01
Remote control transmission
problem
Remote control unit cable and connection ter-
minals
F27
-01
Indoor/outdoor unit disconnec-
tion problem
Indoor/outdoor unit connection cable and
connection terminals, or indoor unit power
supplies (indoor side)
-05
Indoor/outdoor unit connection
error problem
Indoor/outdoor unit connection wire (indoor
side)
-01
Indoor/outdoor unit disconnec-
tion problem
Indoor/outdoor unit connection cable and
connection terminals, or outdoor unit power
supplies (outdoor side)
-05
Indoor/outdoor unit connection
error 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 or valve operation
(closed)
-02
High-pressure cut-off
Check the Refrigeration system
-06
4 way valve problem
Check the 4 way valve or lead wire
-10
Refrigerant system problem
Valve operation (closed), or refrigerant sys-
tem
F32
-05
Compressor overcurrent protec-
tion
Open phase or lock in compressor
-06
Compressor discharge temp.
protection
Insufficient refrigerant
F40
-21
Outdoor heat exchanger outlet
temperature sensor problem
Outdoor heat exchanger outlet temperature
sensor (COND TEMP) lead wire, connector
-51
Compressor discharge tempera-
ture sensor problem
Compressor discharge temperature sensor
(DIS T. TEMP) lead wire, connector
F41
-02
High pressure switch open circuit
problem
High-pressure switch lead wire, connector
-12
Low pressure sensor problem
Low pressure sensor lead wire, connector or
valve operation (closed)
Содержание CU-B14DBE5
Страница 11: ...11 4 Dimensions 4 1 CS F18DTE5 ...
Страница 12: ...12 4 2 CU J18DBE5 ...
Страница 13: ...13 5 Refrigeration Cycle 5 1 CS F18DTE5 CU J18DBE5 ...
Страница 14: ...14 6 Block Diagram 6 1 CS F18DTE5 6 2 CU J18DBE5 ...
Страница 15: ...15 7 Wiring Diagram 7 1 CS F18DTE5 ...
Страница 16: ...16 7 2 CU J18DBE5 ...
Страница 18: ...18 8 2 Remote Control Display ...
Страница 19: ...19 8 3 Remote Control Panel ...
Страница 95: ...95 13 3 Reaching distance CS F18DTE5 Cooling ...
Страница 96: ...96 13 4 Sound data ...
Страница 97: ...97 13 5 Sound measuring point 13 5 1 Indoor Unit 13 5 2 Outdoor Unit ...
Страница 100: ...100 14 Exploded View Indoor Unit 14 1 CS F18DTE5 ...
Страница 101: ...101 14 2 CS F18DTE5 ...
Страница 102: ...102 14 3 CS F18DTE5 ...
Страница 105: ...105 16 Exploded View Outdoor Unit 16 1 CU J18DBE5 ...
Страница 106: ...106 16 2 CU J18DBE5 ...
Страница 108: ...108 18 Print Pattern 18 1 Indoor Unit Printed Main ...
Страница 109: ...109 18 2 Indoor Unit Printed Indicator 18 2 1 Outdoor Unit Main PHAAM Printed in Malaysia SSBZ0603 00 ...