When error occurs, take necessary measures by referring to the following table. For more information on necessary measures for errors, refer to the service manual.

Error indicator

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LED Display

 

 

 

 

 

 

 

 

 

 

Error

Measures for the installer to take

Display

LED 1

LED 2

 

LED 3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

/

/

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Communication

• Check the connection wire between the

 

 

 

 

 

 

 

error between

indoor and outdoor units (whether the

 

 

 

 

 

 

 

indoor and outdoor

power cable or communication cable is

 

 

 

 

 

 

 

units

crossed or not).

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Error on indoor

• Check the connection of the connector.

 

 

 

 

 

 

 

temperature sensor

 

 

 

 

 

 

 

 

 

 

,

 

 

 

 

 

 

Error on indoor heat

• Check the connection of the connector.

 

 

 

 

 

 

exchanger

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Error on indoor fan

• Check the connection of the connector.

 

 

 

 

 

 

 

motor

• Remove foreign substance. (Check for

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

the cause that restrains motor.)

 

 

 

 

 

 

 

 

 

display and

 

 

 

 

 

 

EEPROM/Option

• Re-set options.

all LEDs blink.

 

 

 

 

 

 

error

 

 

 

 

 

 

 

 

 

 

,

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Refrigerant flow

• Check if the stop valve is completely

 

 

 

 

 

 

 

blocking error

open.

 

 

 

 

 

 

 

 

• Check if there is any blockage in the

 

 

 

 

 

 

 

 

refrigerant pipe which connects the

 

 

 

 

 

 

 

 

indoor and outdoor units.

 

 

 

 

 

 

 

 

• Check for refrigerant leak.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Lack of refrigerant

• Check if a sufficient amount of

 

 

 

 

 

 

 

(for inverter models

refrigerant is additionally charged for

 

 

 

 

 

 

 

 

❈ This LED pattern

 

only)

the pipe longer than specified in piping

 

 

appears when an

 

 

codes and standards.

 

 

error occurs on the

 

• Check for refrigerant leak between

 

 

outdoor unit.

 

 

 

valve and pipe connection.

 

 

 

 

 

 

 

 

 

❈ : Off, : Blinking, : On

English 51

Installation

DB68-06043A-00.indd 51

 

 

4/1/2016 5:44:50 PM