Filter
Top Products
– 94 –
You can perform fault diagnosis of the outdoor unit with the LEDs on the P.C. board of the outdoor unit in
addition to check codes displayed on the wired remote controller of the indoor unit.
Use the LEDs and check codes for various checks. Details of check codes displayed on the wired remote
controller of the indoor unit are described in the Installation Manual of the indoor unit.
LED indication and code checking
LED indication
D800
¡
: Red
D801
¡
: Yellow
D802
¡
: Yellow
D803
¡
: Yellow
¥
: Rapid flash
l
: Go off
¡
: Go on
Cycle control P.C. board
LED indication
D800 D801 D802 D803
¡
lll
ll
¡
l
¡¡
ll
l
¡
l
¡
l
¡
ll
¡¡¡
l
¡¡¡¡
¡
ll
¡
¥¥¥
l
l
¡¡
l
¡¡
l
¡
ll
¡¡
¥
lll
l
¥
ll
¥¥
ll
ll
¥
l
¥
l
¥
l
l
¡
l
¡
¥¥¥
l
Cause
Heat exchanger sensor (TE) error
Suction sensor (TS) error
Discharge sensor (TD) error
Thermostat for compressor activated.
Outdoor temperature sensor (TO) error
DC outdoor fan error (Upper side)
DC outdoor fan error (Lower side)
Communication error between IPDU (Abnormal stop)
Comp. case thermo. operate – Serial signal error
Discharge temp. error
EEPROM error
Communication error between IPDU (No abnormal stop)
G – Tr short – circuit protection
Detect circuit error
Current sensor error
Comp. lock error
Comp. break down
High-pressure release operation
TH sensor error