Toshiba MMY-MAP0804FT7(Z), Service Manual, Page: 199 / 333

– 199 –
No
No No
NG
OK
No
[E16]
Sub-code:
00 :
Capacity o
v
er
, 01-:
n
umber of connected units
Chec
k code
Cause
Chec
k code name
Number/capacity of connected indoor units be
y
ond the limit
1.
There are 48 or more connected indoor units
.
2.
Capacity o
v
er of total connected indoor units
.
3.
Incorrect setup of indoor units' po
w
er
Is bac
kup
oper
ation of outdoor unit
being set up?
Is No
. of connected
indoor units correct?
Is setup of indoor
units' HP correct?
Is total capacity
of connected indoor
units within 135%?
F
or a ser
vice
P.C
. board, chec
k
outdoor HP setup
.
(Set up jumper
9
, 10, 11,
and 12.)
Indoor capacity o
v
er has been
detected dur
ing the bac
kup
oper
ation.
P
erf
or
m setup of no detection f
or
capacity o
v
er
. (*1)
Excessiv
e indoor units are
connected. Correct mis
wir
ing.
Correct HP setup
.
Set capacity of connected indoor units within 135% of outdoor units
.
Chec
k outdoor interf
ace
P
.C
. board.
(*1)
T
o deactiv
ate the capacity-o
v
er detection
T
ur
n SW0
9
Bit 2 on I/F P
.C
. board of header outdoor unit to ON.
(Usually OFF)
Set up outdoor HP
.
(Ref
er "13 P
.C
. BO
ARD
EXCHANGE PR
OCEDURES ".)
Ye
s
Ye
s
Ye
s
Ye
s
[E18]
Chec
k code
Cause
Chec
k code name
Comm
unication error betw
een
indoor header and f
ollo
w
er
Regular comm
unication betw
een indoor header
and f
ollo
w
er is una
v
ailab
le
.
No
Ye
s
Ye
s
Ye
s
Ye
s
No No No
Chec
k indoor address
.
Correct indoor address
.
Are remote
controller inter-unit wires
(A/B) nor
mal?
Is there an
y
disconnection of
connector or wir
ing from
ter
minal b
loc
k of
indoor unit?
Is g
roup
control oper
ation
e
x
ecuted?
Are po
w
ers of all indoor
units tur
ned on?
Correct remote controller inter-unit wire
.
Correct connection of connector
.
Chec
k circuit wire
.
Chec
k po
w
er connection
status of indoor unit.
(T
ur
n
on the po
w
er again.)
Chec
k indoor P
.C
. board.
F
ailure
→
Replace
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