(Trouble detected by main remote control)
(Trouble detected by central control device)
Note:The same trouble, e.g. a communication trouble, may result in the display of different check codes
depending on the device that detects it.
Moreover, check codes detected by the main remote control/central control device do not necessarily
have a direct impact on air conditioner operation.
Check code
Display of receiving unit
Typical fault site Description of trouble
Outdoor 7-segment display Indicator light block
Sub-code
Flash
E01 – –
No master remote control,
faulty remote control
communication (reception)
Signals cannot be received from indoor unit;
master remote control has not been set
(including two remote control).
E02 – –
Faulty remote control
communication (transmission)
Signals cannot be transmitted to indoor unit.
E09 – –
Duplicated master remote
control
Both remote controls have been set as
master remote control in two remote control
(alarm and shutdown for header unit and
continued operation for follower unit)
Operation
Timer Ready
Main remote control
Check code
Display of receiving unit
Typical fault site Description of trouble
TCC-LINK central
control
Outdoor 7-segment display Indicator light block
Su
b-code
Flash
C05 – –
No indication (when
main remote control
also in use)
Faulty central control
communication (transmission)
Central control device is unable to transmit
signal due to duplication of central control
device
C06 – –
Faulty central control
communication (reception)
Central control device is unable to receive
signal.
– – – Multiple network adapters
Multiple network adapters are connected to
remote control communication line.
C12 – – –
Blanket alarm for general-
purpose device control
interface
Device connected to general-purpose device
control interface for TCC-LINK is
faulty.
P30 – –
As per alarm unit (see
above)
Group control follower unit
trouble
Group follower unit is faulty (unit No. and
above detail [
∗∗∗
] displayed on main
remote control)
Operation
Timer Ready
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