Errors Detected By Tcc-Link Central Control Device - Toshiba VN-M150HE Service Manual

Check code Location
of
Remote
detection
controller
Indoor
L20
Indoor
P31
* "Indoor" in "location of detection" refers to Air to Air Heat Exchanger and air conditioner indoor units.

Errors detected by TCC-LINK central control device

Check code Location
of
Remote
detection
controller
TCC-LINK
C05
TCC-LINK
C06
TCC-LINK
P30
Check code
System status
name
Duplicate central Stop of
control address corresponding
unit only
Other indoor Stop of
error (group corresponding
follower unit unit only
error)
Check code
System status
name
TCC Link central Continued
control device operation
transmission
error
TCC Link central Continued
control device operation
reception error
Group control Continued
follower unit error operation
Duplicate central Continued
control address operation
Error detection
conditions
Duplicate central control • Check central control addresses.
address • Check network adapter PC board
There is error in another • Check PC boards of indoor units.
indoor unit in the group.
Detection of E07/L07/
L03/L08
Error detection
conditions
Central device is unable • Check for defects in the central control
to transmit a signal.
• Check for defects in central control
• Check termination resistance setting.
Central control device is • Check for defects in the central control
unable to receive a
signal. • Check for defects in central control
• Check termination resistance setting.
• Check power supply for devices at the
• Check for defects in PC boards of devices
Error occurs in a follower • Check the check code of the unit where
unit under group control
("P30" is displayed on the
central control remote
controller).
Duplicate central control • Check address settings.
address
49
Items to check (locations)
(applicable to AI-NET).
Items to check (locations)
device.
communication line.
device.
communication line.
other end of the central control
communication line.
at the other end of the central control
communication line.
the error was detected.