Toshiba MMD-AP0076BHP1-E Service Manual page 55

(Error detected by main remote controller)
Check code
Outdoor 7-segment display
Main
remote
Sub-code
controller
⎯ ⎯
E01
⎯ ⎯
E02
E02
⎯ ⎯
(Error detected by central control device)
Check code
Outdoor 7-segment display
TCC-LINK
central
Sub-code
control
⎯
⎯
C05
⎯
⎯
C06
⎯
⎯ ⎯
⎯
⎯
C12
⎯ ⎯
P30
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.
Display of receiving unit
Indicator light block
Typical fault site
Operation
Timer Ready
Flash
No master remote controller,
faulty remote controller
communication (reception)
Faulty remote controller
communication (transmission)
Duplicated master remote
controller
Display of receiving unit
Indicator light block
Typical fault site
Operation
Timer Ready
Flash
Faulty central control
communication (transmission)
No indication
(when main remote
Faulty central control
controller also in
communication (reception)
use)
Multiple network adapters
Blanket alarm for general-
⎯
purpose device control
interface
As per alarm unit (see Group control follower unit
above) error
– 55 –
Description of error
Signals cannot be received from indoor unit; master remote
controller has not been set (including two remote controller
control).
Signals cannot be transmitted to indoor unit.
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)
Description of error
Central control device is unable to transmit signal due to
duplication of central control device (AI-NET).
Central control device is unable to receive signal.
Multiple network adapters are connected to remote
controller communication line (AI-NET).
Device connected to general-purpose device control
interface for TCC-LINK / AI-NET is faulty.
Group follower unit is faulty (unit No. and above detail
[∗∗∗] displayed on main remote controller)