No
Ye
s
Ye
s
No
Ye
s
No
Ye
s
No
Ye
s
No
Ye
s
No
No
Ye
s
[E04]
No
Ye
s
No
Ye
s
Ye
s
No
Ye
s
No
No
Ye
s
No
Ye
s
[E06]
Sub-code: No. of indoor units which received signals normally
es
ua
C
ed
oc
kc
eh
C
Check code name
es
ua
C
ed
oc
kc
eh
C
Check code name
Decreased number of indoor units
Indoor/Outdoor communication circuit
trouble
(Detected at indoor side)
1.
Communication lines (U1, U2) connection
trouble
between indoor and outdoor
2.
Communication connector's connection
trouble
on
indoor unit,
trouble
on P
.C. board
3.
Communication connector's connection
trouble
on
outdoor unit,
trouble
on I/F board
4.
Power supply of indoor unit (Is power turned on?)
1.
Power of outdoor unit was firstly turned on.
2.
Connection
trouble
of communication line
between indoor and outdoor
3.
Terminator resistor
setup
trouble
on
communication between indoor and outdoor
4.
Address setup
trouble
Is there no
miswiring/disconnection on communication line
between indoor and
outdoor?
W
as power turned on
in order of indoor unit
outdoor unit?
Is connection
(U1/U2 terminals) of
indoor/outdoor inter-unit
wire normal?
Is connector
connection from U1/U2
terminals of indoor/outdoor
inter-unit wire
normal?
Is the terminator resistor
setup of outdoor unit
normal?
Is power applied to fuse
(F03) on indoor P
.C.
board?
Is address setup correct?
Is there no noise, etc?
Is connection
of CN40 connector on
indoor P
.C. board
normal?
Is connection of CN01 connector on outdoor I/F
P.C. board normal?
Is power of indoor unit
turned on?
Did a power failure
occur?
Is there no noise, etc?
Correct communication line.
Turn on power again in order of indoor unit
outdoor unit.
Correct inter-unit wire.
Correct connector connection.
Correct the terminator resistor
setup.
Set up address again.
Check noise, etc, and eliminate it if any
.
Check connection of inter-unit wire between indoor and outdoor is correct, and then connect communication line connector on indoor P
.C. board (CN40) to
CN44 (EMG).
Correct wiring or connector
.
Turn on power of indoor unit.
Clear the check code.
Check noise, etc, and eliminate it if any
.
Check indoor P
.C. board.
Failure
Replace
Check indoor P
.C. board.
Failure
Replace
(NOTE) 1.
When signal is not sent for a certain period from the indoor unit which has used to send signals normally
, [E06] is displayed.
For d
eta
ils,
re
fe
r to “7
-5
. Trou
blesh
oo
ting
in Te
st Op
erat
io
n”.
−
1
80
−
Summary of Contents for MMY-MAP0806FT7(J)P
Page 32: ... 31 1 2 Single port FS Unit RBM Y1123FE FE2 RBM Y1803FE FE2 ...
Page 33: ... 32 RBM Y2803FE FE2 ...
Page 302: ...MMY MAP0806FT8 J P E MAP1006FT8 J P E MMY MAP0806FT8 J P TR MAP1006FT8 J P TR 301 ...
Page 307: ... 306 MMY MAP1206FT8 J P E MAP1406FT8 J P E MMY MAP1206FT8 J P TR MAP1406FT8 J P TR ...