91
Troubleshooting
(Check code detected bymain remote controller)
(Check code detected bycentral control device)
Note: The same error, e.g. a communication error, may result in the display of different check codes depending on the device that detects it.
Moreover, check codes detected by the main remote controller/central control device do not necessarily have a direct impact on air
conditioner operation.
Check code
Display of receiving unit
Typical problem site Description of problem
Main remote
controller
Outdoor 7-segment display Indicator light block
Sub-code
Flash
E01 – –
No master remote controller,
faulty remote controller
communication (reception)
Signals cannot be received from indoor unit;
master remote controller has not been set
(including two remote controller control).
E02 – –
Faulty remote controller
communication (transmission)
S
ignals cannot be transmitted to indoor unit.
E09 – –
Duplicated master remote
controller
Both remote controllers have been set as
master remote controller in two remote
controller control (alarm and shutdown for
header unit and continued operation for
follower unit)
Check code
Display of receiving unit
Typical problem site Description of problem
TCC-LINK central
control
Outdoor 7-segment display Indicator light block
Sub-code
Flash
C05 – –
No indication (when
main remote controller
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 are connected
to remote controller communication line.
–––2 1 C
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
Multiple network adapters
error
Group follower unit is faulty (unit No. and
above detail [
] displayed on main remote
controller)
Operation
Timer Read
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