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• Contents of alarm display on remote controller
For the remote controller, there are other alarm contents listed on the following table besides the alarm display on outdoor main unit
control P.C. board.
Wired remote
control display
<E01>
Remote controller is detecting error signal from indoor unit.
<E02>
<<E03>>
Remote controller does not respond to indoor unit.
Remote controller is detecting error signal from outdoor
E04
unit.
E08
Improper setting
<<E09>>
E18
Indoor unit communication error in group control wiring
<<L02>>
<L03>
Improper setting
L07
L08
<<L09>>
<<F01>>
<<F03>>
Indoor unit sensor has failure
<<F10>>
<<F11>>
<<P09>>
Connection to the panel of indoor unit is not good.
<<P01>>
<<P10>>
Activation of protective device for Indoor unit
<<P11>>
<<P12>>
F29
EEPROM on indoor unit PCB has failure.
• The parentheses of << >> used in the table of alarm display does not affect anything the operation of other indoor units.
• The parentheses of < > used in the table of alarm display implies that there are two cases : according to the content of the symptom,
some affect the operation of other indoor units and others do not affect anything.
Alarm messages displayed on system controller
Error in transmitting serial
communication signal
Serial
communication
errors
Error in receiving serial
Mis-setting
communication signal
Activation of
Protective device of sub
protective
indoor unit in group control is
device
activated.
N OTE
1. Alarm messages in << >> do not affect other indoor unit operations.
2. Alarm messages in < > sometimes affect other indoor unit operations depending on the fault.
Detected contents
Indoor or main outdoor unit is not operating correctly.
Mis-wiring of control wiring between indoor unit, main outdoor unit and
system controller.
Indoor or main outdoor unit is not operating correctly.
Mis-wiring of control wiring between indoor unit, main outdoor unit and
system controller.
CN1 is not connected properly.
When using wireless remote controller or system controller, in order to
check the alarm message in detail, connect wired remote controller to
indoor unit temporarily.
57
Indoor unit does not respond to remote controller.
Remote controller is having error in sending serial
communication signal.
Outdoor unit does not respond to indoor unit.
Indoor unit address is dupulicating.
Two or more remote controllers are set as main on R1-R2
link.
No response from sub indoor to the main indoor unit in
group control wiring.
Indoor unit model does not match with the outdoor unit
model. (Multi-split/mini-split)
Two or more indoor units are set as main in group control.
Group control wiring is detected for indoor unit set as
individual control.
Indoor unit address is not set.
Capacity setting of indoor unit is not correct.
Indoor unit heat exchanger liquid temperature sensor has
failure. (E1)
Indoor unit heat exchanger gas temperature sensor has
failure. (E3)
Indoor suction air (room) temperature sensor has failure.
(TA)
Indoor discharge air temperature sensor has failure. (BL)
Thermal protector for Indoor unit fan motor is activated.
Float switch of drain pan safety is activated.
Drain pump failure or locked rotor.
Indoor unit fan inverter protection control is activated.
C05
C06
P30
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