Toshiba MMK-AP0072H, Service Manual

Page: 43 / 125

43
7-4.
Chec
k Code and Chec
k P
osition Displa
y
ed on the Remote Contr
oller and Outdoor Unit
(7-Segment Displa
y of Interface)
Chec
k code
Main
remote
contr
oller
E01 E02 E03 E04 E06
—
E08 E09
Outdoor 7-segment displa
y
Chec
k code
Sub-code
—— —— —— ——
E06
N
o
. of indoor units which
receiv
ed signal nor
mally
E07
—
E08
Duplicated indoor addresses
——
AI-NET
central contr
ol
remote contr
oller
— — 97
4 4
— 96 99
Detected position
Remote
controller
Remote
controller
Indoor
unit
Indoor
unit
I/F I/F
Indoor
I/F
Remote
controller
Chec
k code name
Comm
unication error betw
een
indoor and remote controller (Detected at remote controller side) Remote controller sending error Comm
unication error betw
een
indoor and remote controller (Detected at indoor side) Indoor/outdoor communication circuit error (Detected at indoor side) Decreased n
umber of indoor units
Indoor/outdoor communication circuit error (Detected at outdoor side) Duplicated indoor addresses Duplicated master remote controllers
Status
Corresponding
unit only stops
.
Corresponding
unit only stops
.
Corresponding
unit only stops
.
Corresponding
unit only stops
.
All stop All stop All stop
Corresponding
unit only stops
.
Err
or detection condition
Comm
unication interr
upted
betw
een indoor P
.C
. board and
remote controller
.
Signal could not be sent from remote controller to indoor unit. No comm
unication from remote
controller (including wireless) and comm
unication adaptor
.
Indoor unit does not receiv
e
comm
unication from outdoor unit.
When signal is not sent f
or a
cer
tain period from the indoor
unit which has been used to send signals
, [E06] is nor
mally
displa
y
ed.
T
ransmission from outdoor to
indoor cannot contin
ue f
o
r 30
seconds
.
Multiple indoor unit address setup are duplicated. In 2-remote controller control (including wireless), both are setup as master (Header indoor unit stops and other indoor unit is oper
ating.)
Chec
k item (position)
•
Chec
k remote controller inter-unit wire (A/B).
•
Chec
k disconnection, connector contact error
.
•
Chec
k indoor po
w
er supply
.
•
Chec
k indoor P
.C
. board error
.
•
Chec
k remote controller address setup
.
(When tw
o remote controllers oper
ate)
•
Chec
k remote controller P
.C
. board.
•
Chec
k the comm
unication wire of remote
controller
: Exchange remote controller
.
•
Chec
k remote controller and comm
unication
adaptor wir
ing.
•
Chec
k po
w
er-ON order of indoor/outdoor
.
•
Chec
k indoor address setup
.
•
Chec
k inter-unit wir
ing betw
een indoor and
outdoor
.
•
Chec
k outdoor end ter
minal resistance setup
(SW30-2).
•
Chec
k SW02 setup on the w
all type P
.C
. board.
(Should be Bit 1: ON, Bit 2: OFF)
•
Chec
k the po
w
er supply of indoor unit.
(P
o
w
er-ON)
•
Chec
k connection of comm
unication line
betw
een indoor and outdoor
.
•
Chec
k connector connection f
or comm
unication
in indoor P
.C
. board.
•
Chec
k connector connection f
or comm
unication
in outdoor P
.C
. board.
•
Chec
k indoor P
.C
. board f
ailure
.
•
Chec
k outdoor P
.C
. board (I/F) f
ailure
.
•
Chec
k outdoor end ter
minal resistance setup
(SW30-2).
•
Chec
k the communication connection betw
e
e
n
indoor and outdoor
.
•
Chec
k indoor address
.
•
Chec
k the change of remote controller
connection (Group / individual) after setup of indoor address
.
•
Chec
k SW02 setup on the w
all type P
.C
. board.
(Should be Bit 1: ON, Bit 2: OFF)
•
Chec
k remote controller setup
.
•
Chec
k remote controller P
.C
. board.
FILE NO. SVM-05052