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Troubleshooting
E-
66
If the error occurs, and the error code are displayed on the wired remote controller.
The error code blinks for 5 seconds and it disappears. If you would like to see the error
code after disappearing it, press the Test button.
Meaning of Error Code
The error code is composed of two-digit figures or letters. The first means an indoor unit
address and the second means an error code.
Checking area
◆ Indoor unit thermistor sensor
◆ PCB of the indoor unit
Meaning
Error Code
∗
1
Indoor unit thermistor
sensor error
◆ Indoor unit pipe thermistor sensor
◆ PCB of the indoor unit
∗
5
Indoor unit pipe thermistor
sensor error
◆ Outdoor unit thermistor sensor
◆ PCB of the outdoor unit
∗
6
Outdoor unit thermistor
sensor error
◆ Drain pump, Float switch
◆ Drain system
◆ DIP switch(SW2) of the indoor unit
(The No.2 and No.4 switches must be
at “ON” position.)
∗
9
Float switch error
◆ Communication cables of indoor and
outdoor units
◆ PCB of indoor and outdoor units
∗
A
A Indoor and Outdoor
communication error
◆ Wired remote controller cables,
Wired remote controller
◆ Main/Sub PCB of the indoor unit
∗
C
Wired remote controller
communication error
◆ Outdoor pipe thermistor sensor
◆ PCB of the outdoor unit
∗
D
Outdoor pipe thermistor
sensor error
Wired Remote Controller
“39” means the address “3” indoor unit has a trouble with a float switch.
EE
EE
xx
xx
aa
aa
mm
mm
pp
pp
ll
ll
ee
ee