Samsung AJ009JNNDCH/AA Service Manual page 59

AJ007JNADCH/AJ009JNADCH/AJ012JNADCH/AJ018JNADCH/AJ024JNADCH
LED Display on the receiver & display unit
Error indicator
LED 1
Display
,
display and all
LED blinks
,
Above LED pattern is displayed when
there' s error is occurred on outdoor unit.
Check the LED display on outdoor unit for
●
On Flickering
◆
If you turn off the air conditioner when the LED is flickering, the LED is also turned off.
◆
If you re-operate the air conditioner, it operates normally at first, then detect an error again.
4-4
LED Display
LED 2 LED 3
/ /
the details.
X Off
Error
1. Check the connection wire between
Commnuication Error
between Indoor and
outdoor unit
Error on indoor 1. Check the connection of the connector
temperature sensor
Error on indoor heat 1. Check the connection of the connector
exchanger
1. Check the connection of the connector
Error on indoor fan motor 2. Remove foreign substance (Check for the
1. Re-set options
EEPROM/Option error
1. Check if the service valve is completely
2. Check if there' s any blockage in the
Error
3. Check for refrigerant leak.
1.
Lack of Refrigerant
2. Check for refrigerant leak between valve
(For Inverter model only)
Measures to take by an installer
indoor and outdoor unit. (whether the
power cable and commnunication cable
is crossed or not)
cause that restrains motor)
open.
refrigerant pipe which connects indoor
and outdoor unit.
refrigerant was charged for the pipe
length that exceeds 7.5m.
and pipe connection.
Samsung Electronics