52
Chec
k code
Main
remote
contr
oller
P20
P22
Outdoor 7-segment displa
y
Chec
k code
Sub-code
P20
—
P22
0
:
IGBT shor
tage
1
:
P
osition detection
circuit error
3
:
Motor loc
k error
4
:
Motor current error
detection
C:
TH sensor temp
.
error
D
:
TH sensor error
E
:
Vdc error
AI-NET
central contr
ol
remote contr
oller
22
1A
Detected
position
I/F
F
AN-
IPDU
Check code
name
High-pressure
protectiv
e
oper
ation
Outdoor f
a
n
IPDU error
Status
All stop
All stop
All stop
All stop
All stop
All stop
All stop
All stop
Err
or detection condition
Pd sensor detected 3.6MP
a or more
.
(Sub-code: 0)
•
Shor
t-circuit current w
as detected at star
t time
.
•
Shor
t-circuit current w
as detected when chec
king
IGBT shor
t-circuit bef
ore star
t time
.
(Sub-code: 1)
•
The standard v
alue of detection circuit of f
an IPDU
current fluctuated at star
t time
.
(Sub-code: 3)
•
Abnor
mal current w
as detected within 30 seconds
after star
t time
.
(Sub-code: 4)
•
Shor
t-circuit current w
as detected when 2 seconds
or more passed after star
t time
.
•
O
v
er-current w
as detected when 30 seconds or
more passed after star
t time
.
(Sub-code: C)
•
Heat sink sensor (TH) of f
an IPDU detected 95
°C
error
.
(Sub-code: D)
•
Heat sink sensor (TH) of f
an IPDU detected shor
t-
circuiting or open.
(Sub-code: E)
•
nput po
w
er supply v
oltage of the f
an IPDU o
v
er the
setup v
alue w
as detected.
•
Input po
w
er supply ter
minal of the f
an IPDU w
a
s
unconnected.
•
P
o
w
er supply P
.C
. board error of the f
an IPDU
Chec
k item (position)
•
Chec
k Pd pressure sensor error
.
•
Chec
k full opening of ser
vice v
alv
es (Gas side
, Liquid side).
•
Chec
k outdoor f
an error
.
•
Chec
k outdoor f
an motor error
.
•
Chec
k clogging of outdoor PMV
. (PMV1,2)
•
Chec
k clogging of indoor/outdoor heat e
xchangers
.
•
Chec
k air shor
t-circuiting in outdoor unit.
•
Chec
k clogging of SV2 circuit.
•
Chec
k outdoor P
.C
. board (I/F) error
.
•
Chec
k indoor f
an system error
.
(Cause of air v
olume decrease)
•
Chec
k v
alv
e opening of indoor PMV
.
•
Chec
k mis
wir
ing of comm
unication line betw
een indoor and
outdoor
.
•
Chec
k oper
ation error of chec
k v
alv
e of discharge pipe
.
•
Chec
k circuit of gas balance SV4 v
alv
e
.
•
Chec
k circuit of SV5 v
alv
e
.
•
Chec
k refr
iger
ant o
v
ercharge
.
•
Chec
k f
an motor
. (Inter
phase shor
t-circuit)
•
Chec
k f
an IPDU error
.
•
Chec
k f
an IPDU error
.
•
Chec
k f
an motor
. (Loc
k, phase missing)
•
Chec
k cause of abnor
mal o
v
er
load at star
t time
.
•
Chec
k connection of connector to f
an motor
.
•
Chec
k po
w
er supply v
oltage
.
•
Chec
k f
an IPDU error
.
•
Chec
k outdoor f
an system.
•
Chec
k f
an IPDU error
.
•
Chec
k fixation betw
een f
an IPDU and heat sink.
•
Chec
k f
an IPDU error
.
•
Chec
k input po
w
er supply v
oltage of the f
an IPDU
.
•
Chec
k po
w
er supply P
.C
. board error of the f
an IPDU
.
•
Chec
k error of e
xter
nal electrolytic condenser
.
FILE NO. SVM-05052
Summary of Contents for MMK-AP0072H
Page 125: ...TOSHIBA CARRIER CORPORATION ...
