SiENBE18-621
Troubleshooting for Outdoor Unit
Troubleshooting
315
Troubleshooting
(V
3
067)
(Or
a
nge) 1
Me
asu
ring point
s
1 - 6
2 - 6
3
- 6
4 - 6
(Red) 2
(Yellow)
3
(Bl
a
ck) 4
5
(Gr
a
y) 6
*
M
a
ke me
asu
rement of re
s
i
s
t
a
nce
b
etween the connector pin
s
,
a
nd
then m
a
ke
su
re the re
s
i
s
t
a
nce
f
a
ll
s
in the r
a
nge of 40 to 50W.
(V
3
067)
YE
S
Caution
Be
su
re to t
u
rn off power
s
witch
b
efore connect or di
s
connect connector,
or p
a
rt
s
d
a
m
a
ge m
a
y
b
e occ
u
rred.
Ret
u
rn to norm
a
l?
T
u
rn power
su
pply off,
a
nd
t
u
rn power
su
pply on
a
g
a
in.
Electronic
exp
a
n
s
ion v
a
lve i
s
connected to X21A
a
nd
X22A of o
u
tdoor
u
nit
PC
b
o
a
rd
(A1P).
Norm
a
l
when coil
check (
*
1) of the moving
p
a
rt of the electronic
exp
a
n
s
ion v
a
lve i
s
checked.
The connecting
c
ab
le i
s
s
hort-circ
u
ited or
di
s
connected.
Repl
a
ce the connecting c
ab
le.
Repl
a
ce o
u
tdoor
u
nit PC
b
o
a
rd
(A1P).
NO
NO
NO
NO
Repl
a
ce the moving p
a
rt of the
electronic exp
a
n
s
ion v
a
lve.
Extern
a
l f
a
ctor other th
a
n
m
a
lf
u
nction (for ex
a
mple, noi
s
e
etc.).
After connecting, t
u
rn the power
off
a
nd then
ba
ck on
a
g
a
in.
YE
S
YE
S
YE
S
Summary of Contents for BPMKS967B2B
Page 1: ...SiENBE18 621 E Series Service Manual Applied Models Super Multi Plus Heat Pump...
Page 12: ...SiENBE18 621 List of Functions 1 Part 1 List of Functions 1 List of Functions 2...
Page 19: ...List of Functions SiENBE18 621 8 List of Functions...
Page 33: ...Specifications SiENBE18 621 22 Specifications...
Page 69: ...Refrigerant Flow for Each Operation Mode SiENBE18 621 58 Refrigerant Circuit...
Page 121: ...Indoor Unit SkyAir Models SiENBE18 621 110 Function...
Page 169: ...Instruction SiENBE18 621 158 System Configuration FTXS 20 25 35C Indoor Unit...
Page 371: ...Method of Replacing The Inverter s Power Transistors Modules SiENBE18 621 360 Troubleshooting...
Page 393: ...SiENBE18 621 vi Index...