Toshiba MMC-AP0157HP-E (TR), Service Manual

Page: 56 / 114

– 56 –
FILE NO. SVM-13085
Bloc
k displa
y (
∗
)
Oper
ation
Timer
Ready
Flash
A A A A S S S S S S S A A A A
On the remote controller (Wired remote controller
, Centr
al control remote controller) and on the interf
ace P
.C
. board of the ou
tdoor
unit, LCD displa
y
par
t (Remote controller) or
When a troub
le occurred, the method to judge the troub
le or def
ectiv
e
position of the air conditioner b
y
this self-diagnosis fu
nction is sho
w
n belo
w
.
The f
o
llo
wing tab
le sho
ws the list of each chec
k code that each de
vice detects
. Chec
k the chec
k contents in the f
o
llo
wing tab
le
according to position to be chec
k
ed.
s
Chec
k from the indoor remote controller or
TCC-LINK centr
al controller
: Ref
er to
“Displa
y on remote controller &
TCC-LINK centr
al controller”
in the f
o
llo
wing tab
le
.
s
Chec
k from outdoor unit:
Ref
er to
“Displa
y
of outdoor segment”
in the f
o
llo
wing tab
le
.
s
Chec
k from indoor unit of wireless remote controller
: Ref
er to Receiver
lamp displa
y
” in the f
o
llo
wing tab
le
.
Chec
k code displa
y list (Indoor unit)
[Indoor unit detects err
o
r.
]
(
∗
)
: Goes on,
: Flashes
,
: Goes off
A (Alter
nate)
: Flashing condition is alter
nate when there are tw
o flashing LED
.
S (Sim
ultaneously)
: T
w
o LED flash sim
u
ltaneously when there are tw
o flashing LED
.
Chec
k code displa
y
TCC-LINK central
& remote contr
oller
E03 E04 E08 E11 E18
F01 F02 F03 F10 F29 L03 L07 L08 L09 L20 L30
P01 P10 P12 P31
Outdoor 7-segment
A
uxiliar
y code
—— ——
E
0
8
Duplicated indoor unit No
.
—— —— —— —— —— —— —— —— ——
L08
—
—— ——
L30
Detected indoor unit No
.
——
P10
Detected indoor unit No
.
—— ——
Main def
ective position
Regular comm
unication error betw
een indoor
and remote controller Regular comm
unication error betw
een indoor
and outdoor Duplicated indoor address Communication error between Application control kit and indoor unit Regular comm
unication error betw
een header
and f
ollo
w
e
r in indoor unit
Indoor heat e
xchanger temp
. sensor (TCJ) error
Indoor heat e
xchanger temp
. sensor (TC2) error
Indoor heat e
xchanger temp
. sensor (TC1) error
Room tem.
Sensor (T
A) error
Indoor or other P
.C
. board error
Duplicated setting of header in indoor group There is g
roup cab
le in individual indoor unit.
Indoor g
roup address is unset.
Indoor capacity is unset. Duplicated centr
al control system address
Exter
nal error was input in indoor (Interloc
k).
Indoor A
C
f
an error
Indoor o
v
erflo
w
w
as detected.
Indoor DC f
an error
Other indoor unit error
Description
No comm
unication from remote controller and netw
or
k adapter
(No centr
al control system communication also)
No comm
unication from outdoor unit
An address same to self address was detected. Communication error between Application control kit and indoor unit P.C. board Regular comm
unication betw
een header and f
ollo
w
er units in indoor unit
w
as impossib
le
.
Open/shor
t of heat e
xchanger temp
. sensor (TCJ) w
as detected.
Open/shor
t of heat e
xchanger temp
. sensor (TC2) was detected.
Open/shor
t of heat e
xchanger temp
. sensor (TC1) was detected.
Open/shor
t of room temp
. sensor (T
A) w
a
s detected.
Indoor EEPR
OM error (Other error ma
y be detected.)
There w
ere m
ultiple header units in a g
roup
.
There is e
v
en an indoor unit connected to group in individual indoor unit.
Indoor g
roup address is unset.
(Detected also at outdoor unit side)
Capacity of indoor unit is unset. Setting of central control system address is duplicated. System abnor
m
ally stopped b
y
input of e
x
ter
n
al error (CN80).
Error of indoor A
C
can w
as detected.
(F
an motor ther
mal rela
y oper
a
tion)
Float s
witch oper
a
ted.
Error (Ov
e
r-current, loc
k, etc.) of indoor DC f
a
n w
as detected.
Group f
ollo
wer unit cannot be operated b
y
[E03/L03/L07/L08] alar
m
of
header unit.
Note)
The chec
k code displa
y
ma
y be diff
erent according to the detected de
vice e
v
en same error contents such as comm
unication error
.
7-segment
displa
y par
t (on outdoor interf
ace P
.C
. board) is pro
vided in order to displa
y the oper
ation status
.
Receiver lamp displa
y
8-2. How to check
SVM-13085.indb 56 SVM-13085.indb 56 12/24/13 10:56 AM 12/24/13 10:56 AM