26
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
