Installation

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

 

 

 

 

 

error between

the indoor and outdoor units (whether

 

 

 

 

 

indoor and outdoor

the power cable or communication

 

 

 

 

 

units

cable is crossed or not).

 

 

 

 

 

 

 

 

 

 

 

 

Error on indoor

• Check the connection of the

 

 

 

 

 

temperature

connector.

 

 

 

 

 

sensor

 

 

 

 

 

 

 

 

,

 

 

 

 

Error on indoor

• Check the connection of the

 

 

 

 

 

heat exchanger

connector.

 

 

 

 

 

 

 

 

 

 

 

 

Error on indoor fan

• Check the connection of the

 

 

 

 

 

motor

connector.

 

 

 

 

 

 

• Remove foreign substance. (Check

 

 

 

 

 

 

for the cause that restrains motor.)

 

 

 

 

 

 

 

display

 

 

 

 

EEPROM/Option

Re-set options.

and all LEDs

 

 

 

 

error

 

blink.

 

 

 

 

 

 

 

 

 

 

 

 

 

,

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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

refrigerant is additionally charged

 

 

 

 

 

 

This LED pattern

models only)

for the pipe longer than specified in

 

 

piping codes and standards.

 

 

appears when an

 

 

 

 

• Check for refrigerant leak between

 

 

error occurs on the

 

 

 

outdoor unit.

 

valve and pipe connection.

 

 

 

 

 

 

 

: Off, : Blinking, : On

22English

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Samsung AR09MSPXBWKXEU, AR12MSPXASINEU Communication, Error between, Power cable or communication, Blocking error Open

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