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