roup construction/address check finish at power supply was turned on, the mode shifts automatically 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 two flashing LED
Remote
controller
indication
Sensor lamp part
Block indication
Operation
Timer Ready Flash
Representative defective position Detection Explanation of trouble contents
Automatic
reset
Operation
continuation
L30Outside trouble input to indoor unit (Interlock)SIM Indoor Abnormal stop by CN80 outside trouble input ××
L03 Duplicated indoor header unitsSIM 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 addressSIM Indoor Indoor address group was unset. ××
L09 Unset indoor capacitySIM 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 troubleALT Outdoor Power supply voltage trouble ××
P07 Outdoor unit Heat sink overheatALT Outdoor Abnormal overheat was detected by outdoor heat sink temp. sensor. ××
P03 Outdoor unit Discharge temp. troubleALT Outdoor Trouble was detected by discharge temp. release control. ××
Operation
Timer Ready Flash
L29 Outdoor unit Other outdoor unit troubleSIM Outdoor
1) Defective 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 typeSIM 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 ××
××
F31Outdoor unit EEPROM troubleSIM Outdoor Outdoor P.C. board part (EEPROM) trouble was detected. ××
F12 Outdoor unit Temp. sensor (TS) troubleALT Outdoor Open/Short of suction temp. sensor was detected. ××
F13 Outdoor unit Temp. sensor (TH) troubleALT 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) troubleALT Outdoor Open/Short of heat exchanger temp. sensor was detected. ××
F08 Outdoor unit Outside temp. sensor (TO) troubleALT Outdoor Open/Short of outside temp. sensor was detected.
OO
F04 Outdoor unit Discharge temp. sensor (TD) troubleALT Outdoor Open/Short of discharge temp. sensor was detected. ××
F06 Outdoor unit Temp. sensor (TE, TS, TL) troubleALT Outdoor
Open/Short of heat exchanger temp. sensor was detected.
Miswiring 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 troubleALT
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 troubleALT Outdoor Trouble was detected by high release control from indoor/outdoor heat exchanger temp. sensor. ××
P22 Outdoor unit Outdoor fan troubleALT Outdoor Trouble (Over-current, lock, etc.) was detected on outdoor fan drive circuit. ××
P26 Outdoor unit Inverter Idc operationALT Outdoor Short-circuited protective operation of compressor drive circuit element (G-Tr /IGBT) worked. ××
P29 Outdoor unit Position detection troubleALT Outdoor Position detection trouble of compressor motor was detected. ××
P15 Gas leak detectionALT Outdoor Abnormal overheat of discharge temp. or suction temp. was detected. ××
To Next Page
Loading...
