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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>>
Controller does not respond to indoor unit.
Indoor unit is detecting error signal from main
E04
outdoor unit.
E08
Improper setting of indoor unit or remote
controller.
<<E09>>
E18
No response from sub indoor to the main indoor unit in group control wiring.
Indoor unit address setting has error. (No main indoor unit in group control.)
L01
Improper setting.
<<L02>>
<L03>
L07
L08
<<L09>>
L11
Indoor unit model does not match with outdoor unit.
L13
Indoor thermistor is either open or damaged.
<<F01>>
<<F02>>
<<F03>>
<<F10>>
<<F11>>
Protective device in indoor unit is activated.
<<P01>>
<<P09>>
<<P10>>
<<P11>>
<<P12>>
P14
Indoor unit communication error of group
<P31>
control wiring.
EEPROM on indoor unit PCB failure
F29
• 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.
Detected contents
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.
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.
Incorrect wiring of remote group control wiring (in case of
shared solenoid valve kit)
Indoor unit heat exchanger liquid temperature sensor has failure. (E1)
Indoor unit heat exchanger temperature sensor has failure. (E2)
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.
Connection to the panel of indoor unit is not good.
Float switch of drain pan safety is activated.
Drain pump failure or locked motor.
Indoor unit fan inverter protection control is activated.
O
sensor has activated.
2
Other indoor unit in group control has an alarm.
69
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