– 54 –
Check
code

[H03]

Outdoor
LED display
Check and troubleshooting
(Item without special mention Indicates part of outdoor unit.)

[Current detection circuit error]

[L10] [Unset model type] : Only when service P.C. board is used

z
z
z
z
{
z
z
{
z
z
z
z
{

Check outdoor P.C. board.

Defect → Replace

Cut jumper line according
to the explanation sheet packaged
with the service P.C. board.
Check outdoor P.C. board.
Defect → Replace
Correct connector.
Sensor error → Replace
Correct and clear the cause.
Repair defective position.
Replace defective part.
Repair defective position.
Recharge refrigerant.
Is it not abnormal overload?
Is PMV normal?
Is CN601 connection normal?
Is resistance value of TD sensor normal?
Is there no gas leak?
Is refrigerant charge amount adequate?
YES
YES
NO
YES
NO
NO
NO
YES

[Discharge temp. error][P03]