Samsung AJ009JNNDCH Service Manual page 58

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
/ /
Error on indoor fan motor
(For Inverter model only)
the details.
X Off
Error Measures to take by an installer
1. Check the connection wire between
Commnuication Error
indoor and outdoor unit. (whether the
between Indoor and
power cable and commnunication cable
outdoor unit
is crossed or not)
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
2. Remove foreign substance (Check for the
cause that restrains motor)
1. Re-set options
EEPROM/Option error
1. Check if the service valve is completely
open.
2. Check if there' s any blockage in the
Error refrigerant pipe which connects indoor
and outdoor unit.
3. Check for refrigerant leak.
1.
refrigerant was charged for the pipe
length that exceeds 7.5m.
Lack of Refrigerant
2. Check for refrigerant leak between valve
and pipe connection.
Samsung Electronics