12.3
12.3.1
Afte
12.3.2
12.3.2.
12.
The
beco
fault
Whe
show
12.
If no
Com
Whe
the s
The
mas
1. For the
channe
2. For
Mu
IDUs m
All IDUs L
All IDUs L
Some
co
12.3.3
This test is
12.3.3.
System
commu
Genera
Power up
er Power up
x
Thermi
x
Compr
x
Fans
c
x
EEPRO
x
EEV
in
x
ODU-ID
Commun
Comm
1
3.2.1.1
‘Ba
system kee
omes high t
t when the r
en in ‘Bad C
wn in diagn
3.2.1.2
‘No
o legal trans
mmunication
en in ‘No Co
system will
system wil
ssage is rec
e single sp
el, the ODU
ulti split com
messages
Loose comm
Loose comm
IDUs loose
omm.
System C
s continuous
Comm
1
m is continu
unication lin
al Operat
p Sequenc
p A/C must
istors short/
ressor Drive
connected –
OM power u
nitialization –
DU-DMSMP
nication w
munication
ad Commun
eps a balan
the system
ratio becom
Communica
ostics.
o Communi
smission or
n’ fault.
ommunicati
force the co
l recover fro
ceived.
plit commun
unit will be
mmunication
Does
Mess
m.
m.
Configura
sly performe
munication
uoesly chec
nes.
ting Rule
ce
perform so
/disconnect
er communi
– check feed
up paramete
– zero proc
P communic
with Indoor
n Failures
nication’ fa
nce of a goo
enters ‘Bad
mes small ag
tion’ fault, s
ication’ fau
no messag
on’ fault, th
ompressor
om ‘No Com
nication cha
e forced to Id
n channel,
s DMSMP
sage exist?
No
Yes
Yes
ation Test
ed while the
n Channel
king wethe
es
ome initializa
t.
cation conn
dback.
ers uploads
cess.
cation chec
r Unit
s Definition
ault
od/bad com
d Communic
gain.
system cont
ult
ge received
e fault code
to off.
mmunication
annel, whe
dle mode.
ODU
com
e system is
l Auto Det
r it is a sing
ation proced
nected and
s.
ck.
n
munication
cation’ fault
tinues its no
for 30 seco
e will be sho
n’ fault whe
never there
U report ‘no
mmunication
Yes
No
No
on:
tection (Si
gle or multi
dures.
error codes
packet ratio
t. The syste
ormal opera
onds, system
own in diag
n counter is
e is loose
-
n
Th
co
d
ingle or M
system ac
s if any.
o. When the
em recovers
ation and fa
m enters ‘N
nostics. In t
s below 10
in the com
ODU force t
Yes
Yes
No.
he IDU chan
ommunicatio
defined as in
channe
Multi)
ccording its
e ratio
s from that
ult code is
o
this case,
and legal
mmunication
to Idle
nel Lost
n will be
nactive
el.
2 seperate
n
e
CONTROL SYSTEM
1
2
-
SM
HJD
DCI 1-A
GB
Summary of Contents for AW-HJD009-N11
Page 46: ...9 SM HJD DCI 1 A 2 GB ...
Page 53: ...CONTROL SYSTEM 12 SM HJD DCI 1 A 1 GB SM HJD DCI 1 A 2 GB ...
Page 72: ...3 3 3 3 3 12 4 3 4 12 4 4 12 4 4 1 12 4 4 2 12 4 4 3 CONTROL SYSTEM 12 23 SM HJD DCI 1 A GB ...
Page 92: ...12 11 7 Segme ent Legend d CONTROL SYSTEM 12 44 SM HJD DCI 1 A GB 3 ...
Page 109: ...5 5 HJD00 0 SM HJD DCI 1 A 2 GB 14 14 1 14 1 ...
Page 112: ...5 4 HJD0 SM HJD DCI 1 A 2 GB 4 4 ...
Page 114: ...5 6 HJD0 SM HJD DCI 1 A 2 GB 4 4 ...
Page 117: ...5 8 YBDE00 0 18 SM HJD DCI 1 A 2 GB 4 4 14 9 14 9 012 DCI ...
Page 131: ...SM HJD DCI 1 A 2 GB 5 ...
Page 132: ... SERVICE MANUAL HJD DCI Series ...