Toshiba MMY-MAP0726FT2P-UL Service Manual page 138

List of Check Codes (Indoor Unit)
(Check code detected by indoor unit)
Check code
Outdoor 7-segment display
TCC-LINK central
control or main
remote controller
display
P01 –
P10 P10 Detected indoor unit No.
P12 –
P31 –
(Check code detected by main remote controller)
Check code
Outdoor 7-segment display
Main remote
controller
E01 –
E02 –
E09 –
(Check code detected by central control device)
Check code
Outdoor 7-segment display
TCC-LINK central
control
C05 –
C06 –
– –
C 1 2 –
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 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
–
–
–
Display of receiving unit
Indicator light block
Operation Timer Ready
Sub-code
–
No indication (when
– main remote controller
also in use)
–
– –
As per alarm unit (see
–
above)
Typical problem site
Flash
ALT Indoor AC fan trouble
ALT Indoor overflow trouble
ALT Indoor DC fan trouble
ALT Other indoor unit trouble
Typical problem site
Flash
No master remote controller,
troubled remote controller
communication (reception)
Trouble remote controller
communication (transmission)
Duplicated master remote
controller
Typical problem site
Flash
Troubled central control
communication (transmission)
Troubled central control
communication (reception)
M u t l p i e l n e w t o k r a d a p e t s r
Blanket alarm for general-
purpose device control
interface
Group control follower
unit trouble
− 137 −
Description of Check code
Indoor AC fan trouble is detected (activation of
fan motor thermal relay).
Float switch has been activated.
Indoor DC fan trouble (e.g. overcurrent or lock-up)
is detected.
Follower unit cannot be operated due to header unit
alarm (E03/L03/L07/L08).
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.
Multiple network adapters are connected
to remote controller communication line.
Device connected to general-purpose
device control interface for TCC-LINK is
faulty.
Group follower unit is troubled (unit No. and
above detail [ ] displayed on main
remote controller)