∗
1: These are representative examples and the check code differs according to the outdoor unit to be combined.
⎫
⎪
⎬
⎪
⎭
Lamp indication
Ready
Timer Operation
Alternate flash
Ready
Timer Operation
Alternate flash
Ready
Timer Operation
Simultaneous flash
Ready
Timer Operation
Simultaneous flash
Ready Timer Operation
Flash
Ready
Timer Operation
Simultaneous flash
Ready
Timer Operation
Simultaneous flash
Check code
F01
F02
F10
F04
F06
F07
F08
F12
F13
F15
F29
F31
H01
H02
H03
H04
L03
L07
L08
L09
L10
L20
L29
L30
Cause of trouble occurrence
Heat exchanger sensor (TCJ) error
Heat exchanger sensor (TC) error
Indoor unit sensor error
Heat exchanger sensor (TA) error
Discharge temp. sensor (TD) error
Temp. sensor (TL, TS, TE) error
Temp. sensor (TD) error
Temp. sensor (TO) error
Sensor error of outdoor unit
∗
1
Temp. sensor (TS) error
Heat sink sensor (TH) error
Temp. sensor miswiring (TE, TS)
Indoor EEPROM error
Outdoor EEPROM error
Compressor break down
Outdoor compressor system error
∗
1
Compressor lock
Current detection circuit error
} Power supply, outdoor P.C. board error
Case thermostat worked.
} Compressor overheat, outdoor wiring error
Duplicated master indoor units
There is indoor unit of group
→
AUTO address
connection in individual indoor unit.
∗
If group construction and address
Unsetting of group address
are not normal when power supply
Missed setting
turned on, automatically goes to
(Unset indoor capacity)
address setup mode.
Unset model type (Service board)
Duplicated indoor central addresses
Temp. sensor (TH) error
EEPROM error
Communication between outdoor MCU
Heat sink overheat error
Gas leak detection error
4-way valve error
Outside interlock error
⎫
⎪
⎪
⎪
⎪
⎪
⎬
⎪
⎪
⎪
⎪
⎪
⎭
⎫
⎬
⎭
⎫
⎪
⎪
⎬
⎪
⎪
⎭
FILE NO. SVM-
12042
–
44
–