Toshiba MMU-AP0072H2UL-1 Service Manual page 79

(Trouble detected by main remote control)
Check code
Outdoor 7-segment display
Main remote control
E01 –
E02 –
E09 –
(Trouble detected by central control device)
Check code
Outdoor 7-segment display
TCC-LINK central
control
C05 –
C06 –
– –
C12 –
P30 –
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.
Display of receiving unit
Indicator light block
Operation Timer Ready
Sub-code
–
–
–
Display of receiving unit
Indicator light block
Operation Timer Ready
Sub-code
–
No indication (when
– main remote control
also in use)
–
– –
As per alarm unit (see
–
above)
Typical fault site
Flash
No master remote control,
faulty remote control
communication (reception)
Faulty remote control
communication (transmission)
Duplicated master remote
control
Typical fault site
Flash
Faulty central control
communication (transmission)
Faulty central control
communication (reception)
Multiple network adapters
Blanket alarm for general-
purpose device control
interface
Group control follower unit
trouble
79
Description of trouble
Signals cannot be received from indoor unit;
master remote control has not been set
(including two remote control).
Signals cannot be transmitted to indoor unit.
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)
Description of trouble
Central control device is unable to transmit
signal due to duplication of central control
device
Central control device is unable to receive
signal.
Multiple network adapters are connected to
remote control communication line.
Device connected to general-purpose device
control interface for TCC-LINK is faulty.
Group follower unit is faulty (unit No. and
above detail [ ] displayed on main remote
control)