Toshiba MMY-MAP0804HT8-E Service Manual page 187

Outdoor 7-segment display
Main
remote
Check
controller
code
L03 –
L04 L04
L05 –
L06 L06
L07 –
L08 L08
L09 –
L10 L10
L20 –
L28 L28
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Check code
Location
AI-NET central
of
control
detection
remote
Sub-code
controller
Indoor
unit
– 96
I/F
– 96
I/F
– 96
No. of priority I/F
indoor units
96
Indoor
unit
– 99
Indoor
unit
– 99
Indoor
– 46 unit
I/F
– 88
AI-NET
Indoor
– 98 unit
I/F
– 46
manuals search engine
Description System status
Duplicated Stop of There is more than one
indoor header corresponding header unit in group.
unit unit
Duplicated All stop There is duplication in line
outdoor line address setting for outdoor
address units belonging to different
refrigerant piping systems.
Duplicated All stop More than one indoor unit
priority indoor has been set up as priority
unit (as indoor unit.
displayed on
priority indoor
unit)
Duplicated All stop More than one indoor unit
priority indoor have been set up as priority
unit (as indoor unit.
displayed on
indoor unit other
than priority
indoor unit)
Connection of Stop of There is at least one stand-
group control corresponding alone indoor unit to which
cable to stand- unit group control cable is
alone indoor connected.
unit
Indoor group / Stop of Address setting has not been
addresses not corresponding performed for indoor units.
set unit
Indoor capacity Stop of Capacity setting has not been
not set corresponding performed for indoor unit.
unit
Outdoor All stop Jumper wire provided on P.C.
capacity not set board for servicing I/F P.C.
board has not been removed
as required for given model.
Duplicated All stop There is duplication in central
central control control address setting.
address
Too many All stop There are more than four
outdoor units outdoor units.
connected
186
Error detection
Check items (locations)
condition(s)
• Check indoor addresses.
• Check for any change
made to remote controller
connection (group/
individual) since indoor
address setting.
• Check line addresses.
• Check display on priority
indoor unit.
• Check displays on priority
indoor unit and outdoor
unit.
• Check indoor addresses.
• Check indoor addresses.
Note:
This code is displayed
when power is turned on
for the first time after
installation.
Set indoor capacity. (DN =
11)
Check model setting of P.C.
board for servicing outdoor
I/F P.C. board.
• Check central control
addresses.
• Check network adaptor
P.C. board (applicable to
AI-NET).
• Check No. of outdoor units
connected (Only up to 4
units per system allowed).
• Check communication
lines between outdoor
units.
• Check for defect in outdoor
P.C. board (I/F).