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English
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
Error Measures for the installer to take
Display
LED Display
LED 1 LED 2 LED 3
/ /
Communication
error between
indoor and outdoor
units
Check the connection wire between
the indoor and outdoor units (whether
the power cable or communication
cable is crossed or not).
Error on indoor
temperature sensor
Check the connection of the
connector.
,
Error on indoor heat
exchanger
Check the connection of the
connector.
Error on indoor fan
motor
Check the connection of the
connector.
Remove foreign substance. (Check for
the cause that restrains motor.)
display
and all LEDs
blink.
EEPROM/Option
error
Re-set options.
,
Refrigerant flow
blocking error
Check if the stop valve is completely
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
(for inverter models
only)
Check if a sufficient amount of
refrigerant is additionally charged
for the pipe longer than specified in
piping codes and standards.
Check for refrigerant leak between
valve and pipe connection.
This LED pattern
appears when an
error occurs on the
outdoor unit.
: Off, : Blinking, : On
DB68-06031A-01_A5.indd 44 4/18/2017 9:00:05 AM
45


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