49
* “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
L20
Indoor
Duplicate central
control address
Stop of
corresponding
unit only
Duplicate central control
address
• Check central control addresses.
• Check network adapter PC board
(applicable to AI-NET).
P31
Indoor
Other indoor
error (group
follower unit
error)
Stop of
corresponding
unit only
There is error in another
indoor unit in the group.
Detection of E07/L07/
L03/L08
• Check PC boards of indoor units.
Check code Location
of
detection
Check code
name
System status
Error detection
conditions
Items to check (locations)
Remote
controller
C05
TCC-LINK
TCC Link central
control device
transmission
error
Continued
operation
Central device is unable
to transmit a signal.
• Check for defects in the central control
device.
• Check for defects in central control
communication line.
• Check termination resistance setting.
C06
TCC-LINK
TCC Link central
control device
reception error
Continued
operation
Central control device is
unable to receive a
signal.
• Check for defects in the central control
device.
• Check for defects in central control
communication line.
• Check termination resistance setting.
• Check power supply for devices at the
other end of the central control
communication line.
• Check for defects in PC boards of devices
at the other end of the central control
communication line.
P30
TCC-LINK
Group control
follower unit error
Continued
operation
Error occurs in a follower
unit under group control
(“P30” is displayed on the
central control remote
controller).
• Check the check code of the unit where
the error was detected.
Duplicate central
control address
Continued
operation
Duplicate central control
address
• Check address settings.
Check code Location
of
detection
Check code
name
System status
Error detection
conditions
Items to check (locations)
Remote
controller
Summary of Contents for VN-M1000HE
Page 150: ......
