24
English
ˆƙ
ˆƖʾƘÆνÊ̽ʺǹʼ¹Ä¹ÊŻǼ½ËƼʾʿƽ
(Fig. 13)
Troubles of the inverter can be diagnosed by LED
indications on the cycle control P.C. board of the outdoor
unit. Utilize them for various checks.
"EFOREACHECKCONlRMEACHBITOFTHE$)0SWITCHISSETTO
OFF position.
LED indication and code checking
LED indication
ѻĽ»ÇÆÌÊÇÄƖƖºÇ¹Ê¼
Cause
LED indication
D800
D801
D802
D803
D800 O: Red
D801 O: Yellow
D802 O: Yellow
D803 O: Yellow
: Flashing
z
ƕŰ
{
: On
{
z
z
z
Heat exchanger sensor (TE) error
z
z
{
z
Suction sensor (TS) error
{
{
z
z
Hot gas discharge sensor (TD) error
z
{
z
{
High-pressure protection error
z
{
z
z
Outdoor air temperature sensor error (TO)
{
{
{
z
Outdoor motorised fan error DC
{
z
z
{
Communication error between IPDU (Abnormal stop)
z
{
z
{
High-pressure release operation
z
{
{
z
Discharge temp. error: Hot gas is too high
{
{
z
{
EEPROM error
z
z
{
{
Communication error between IPDU (No abnormal stop)
z
z
z
G-Tr short-circuit protection
z
z
z
Detect circuit error
z
z
Current sensor error
z
z
z
Comp. lock error
z
z
Comp. break down
Board position:
3EElG
