Toshiba MMY-MUP0721FT6P-UL Service Manual page 197

(Check code detected by remote controller)
Check code
Outdoor 7-segment display
Remote control
E01 –
E02 –
E09 –
(Check code detected by central control device)
Check code
Outdoor 7-segment display
Central control
C05 –
C06 –
C12 –
P30 –
S01 –
List of Check Codes (Flow Selector Unit)
(Check code detected by Flow Selector unit)
Check code
Outdoor 7-segment display
Central control
J01 –
J02
–
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 controller/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)
– –
Display of receiving unit
Indicator light block
Operation Timer Ready
Sub-code
–
–
Typical fault site
Flash
No master remote control,
failure remote control
communication (reception)
Failure remote control
communication (transmission)
Duplicated master remote
control
Typical fault site
Flash
Failure central control
communication (transmission)
Failure central control
communication (reception)
Bracket alarm for general-
purpose device control
interface
Group control follower unit
trouble
Failure central control
communication (reception)
Typical fault site
Flash
Communication trouble
SIM between indoor unit(s) and
FS unit
Communication trouble
SIM
between control boards in
FS unit
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Description of Check code
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 Check code
Central control device is unable to transmit
signal due to duplication of central control
device
Central control device is unable to receive
signal.
Device connected to general-purpose
device control interface is failure.
Group follower unit is troubled (unit No. and
above detail [ ∗∗∗ ] displayed on main remote
controller)
Central control device is unable to
receive signal.
Description of Check code
There is no communication from indoor
unit (s)
Communication trouble between PC
boards of multiport type FS unit.