– 57 –
Chec
k Code List
When this warning was detected before group construction/address check finish at power supply was turned on, the mode shifts a
utomatically to AUTO address setup mode.
:Go on, : Flash, : Go off
ALT (Alternate): Alternate flashing when there are two flashing LED SIM (Simultaneous): Simultaneous flashing when there are tw
o flashing LED
Remote
controller
indication
Sensor lamp part
Block indication
Operation
Timer
Ready
Flash
Representative trouble position
Detection
Explanation of trouble contents
Automatic
reset
Operation
continuation
L30
Outside trouble input to indoor unit (Interlock)
SIM
Indoor
Abnormal stop by CN80 outside trouble input
××
L03
Duplicated indoor header units
SIM
Indoor
There are multiple header units in a group.
××
L07
There is group cable in individual indoor unit.
SIM
Indoor
When even one group connection indoor unit exists in individual indoor unit.
××
L08
Unset indoor group address
SIM
Indoor
Indoor address group was unset.
××
L09
Unset indoor capacity
SIM
Indoor
Capacity of indoor unit was unset.
××
P04
Outdoor unit
High pressure system trouble, Power supply voltage trouble
ALT
Outdoor
When case thermostat worked, trouble was detected by high release control from indoor/
outdoor heat exchanger temp. sensor. Power supply voltage trouble
××
P05
Power supply trouble
ALT
Outdoor
Power supply voltage trouble
××
P07
Outdoor unit Heat sink overheat
ALT
Outdoor
Abnormal overheat was detected by outdoor heat sink temp. sensor.
××
P03
Outdoor unit Discharge temp. trouble
ALT
Outdoor
Trouble was detected by discharge temp. release control.
××
Operation
Timer
Ready
Flash
L29
Outdoor unit Other outdoor unit trouble
SIM
Outdoor
1) Trouble parts on outdoor P.C. board (MCU communication, EEPROM, TH sensor trouble)
2) When outdoor service P.C. board was used, model type selection was inappropriate.
3) Other trouble (Heat sink abnormal overheat, gas leak, 4-way valve inverse trouble) was detected.
××
L10
Outdoor unit Setting trouble of service P.C. board type
SIM
Outdoor
When outdoor service P.C. board was used, model type select jumper setting was inappropriate.
××
H01
Outdoor unit Compressor break down
Outdoor
When reached min-Hz by current release control, short-circuited current (Idc) after
DC excitation was detected.
H04
Outdoor unit Case thermostat operation
Outdoor
Case thermostat operation was detected.
××
H02
Outdoor unit Compressor lock
Outdoor
Compressor lock was detected.
××
H03
Outdoor unit Current detection circuit trouble
Outdoor
Current detection circuit trouble
××
××
H06
Outdoor unit low pressure system trouble
Outdoor
Ps pressure sensor trouble, Low pressure protective operation
××
F31
Outdoor unit EEPROM trouble
SIM
Outdoor
Outdoor P.C. board part (EEPROM) trouble was detected.
××
F12
Outdoor unit Temp. sensor (TS) trouble
ALT
Outdoor
Open/Short of suction temp. sensor was detected.
××
F13
Outdoor unit Temp. sensor (TH) trouble
ALT
Outdoor
Open/Short of heat sink temp. sensor (Board installed) was detected.
××
F15
Outdoor unit Misconnection of temp. sensor (TE, TS)
ALT
Outdoor
Misconnection of outdoor heat exchanger temp. sensor and suction temp. sensor was detected.
××
F07
Outdoor unit Temp. sensor (TL) trouble
ALT
Outdoor
Open/Short of heat exchanger temp. sensor was detected.
××
F08
Outdoor unit Outside temp. sensor (TO) trouble
ALT
Outdoor
Open/Short of outside temp. sensor was detected.
OO
F04
Outdoor unit Discharge temp. sensor (TD) trouble
ALT
Outdoor
Open/Short of discharge temp. sensor was detected.
××
F06
Outdoor unit Temp. sensor (TE, TS, TL) trouble
ALT
Outdoor
Open/Short of heat exchanger temp. sensor was detected.
Miss-wiring between TE sensor and TS sensor
××
E18
Regular communication trouble between header and
follower indoor units
Indoor
Regular communication was impossible between header and follower indoor units.
Communication between twin header (Main unit) and follower (sub unit) was impossible.
O
×
E09
Duplicated main remote controllers
Remote
controller
In 2-remote controller control, both were set as header.
(Indoor header unit stops warning and follower unit continues operation.)
××
E01
No remote controller header unit
Remote controller communication trouble
Remote
controller
Signal was not received from indoor unit.
Main remote controller was not set. (including 2 remote controllers)
——
E02
Remote controller send trouble
Remote
controller
Signal cannot be sent to indoor unit.
—
—
E03
Regular communication trouble between indoor and
remote controller
Indoor
No communication from remote controller and network adapter
O
×
E10
Communication trouble between CPU
Indoor
MCU communication trouble between main motor and micro computer
O
E04
Indoor/Outdoor serial trouble
Indoor
Serial communication trouble between indoor and outdoor
O
×
E08
Duplicated indoor addresses
Indoor
Same address as yours was detected.
O
P19
4-way valve inverse trouble
ALT
Indoor
Outdoor
In heating operation, trouble was detected by temp. down of indoor heat exchanger or temp. up
of TE, TS.
O
×
P20
Outdoor unit High pressure system trouble
ALT
Outdoor
Trouble was detected by high release control from indoor/outdoor heat exchanger temp. sensor.
××
P22
Outdoor unit Outdoor fan trouble
ALT
Outdoor
Trouble (Over-current, lock, etc.) was detected on outdoor fan drive circuit.
××
P26
Outdoor unit Inverter Idc operation
ALT
Outdoor
Short-circuited protective operation of compressor drive circuit element (IPM) worked.
××
P29
Outdoor unit Position detection trouble
ALT
Outdoor
Position detection trouble of compressor motor was detected.
××
P15
Gas leak detection
ALT
Outdoor
Abnormal overheat of discharge temp. or suction temp. was detected.
××