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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
Display
,
display and
all LEDs blink.
,
: Off,
: Blinking,
❈
46
English
RC_DB68-06033A-01.indd 46
LED Display
LED 1 LED 2
LED 3
/
❈ This LED pattern
appears when an
error occurs on the
outdoor unit.
: On
Error
Communication
• Check the connection wire between the
error between
indoor and outdoor units (whether the
indoor and outdoor
power cable or communication cable is
units
crossed or not).
Error on indoor
• Check the connection of the connector.
temperature sensor
Error on indoor heat
• Check the connection of the connector.
exchanger
Error on indoor fan
• Check the connection of the connector.
motor
• Remove foreign substance. (Check for
the cause that restrains motor.)
EEPROM/Option
• Re-set options.
error
Refrigerant flow
• Check if the stop valve is completely
blocking error
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
• Check if a sufficient amount of
(for inverter models
refrigerant is additionally charged for
only)
the pipe longer than specified in piping
codes and standards.
• Check for refrigerant leak between
valve and pipe connection.
Measures for the installer to take
5/27/2016 5:16:35 PM
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