Samsung AJ009JNNDCH FJM series, Руководство по обслуживанию

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