se Action to take
Judgement Method
Reset Power
ensor Open/Short.
Check the connection of indoor unit main PCB and sensor wire.Check open/short of indoor unit
main PCB, sensor parts patt ern and parts.
427 page
r Open/Short.
Check the connection of indoor unit main PCB and sensor wire.
Check open/short of indoor unit main PCB, sensor parts patt ern and parts.
428 page
door unit fan motor.
Check the connection of indoor unit main PCB and fan motor wire.
Check the restriction of indoor unit fan motor .
Check the normal/fault of indoor unit fan motor .
429 page
/
se error(Open)
Check the condition of outdoor unit error.
Check open of Terminal Block
thermal fuse connection wire.
Check the connection of indoor unit main PCB and sensor wire.
Check abnormality of float sensor unit.
431 page
art.
Check insufficient-solder/cold-solder/short/parts non-mounting of IC202 parts PIN.
Check insufficient-solder/cold-solder/short/parts non-mounting of IC202 circuit periphery parts.
432 page
alve Check the Blockage of outdoor unit valve
tion between the indoor
mmunication error for Check electrical connection and setting between indoor unit and outdoor unit 443 page
5 times, missmatching
mbers set with those
(some of indoor unit
Check electrical connection and setting between indoor unit and outdoor unit
e from indoor units after
Check electrical connection and setting between indoor unit and outdoor unit 430 page
tween outdoor unit inv -
Check electrical connection and setting between indoor unit MAIN PBA - INVERTER PBA
alve Check the Blockage of outdoor unit valve
: On
: Flashes
X
: OFF