SiENBE18-621
Method of Replacing The Inverter’s Power Transistors Modules
Troubleshooting
359
Power module checkin
g
W
V
0.
3
to 0.7V
(incl
u
ding ?)
*
C+
U
V
W
V
W
Not le
ss
th
a
n 0.
3
V
(incl
u
ding ?)
*
C-
U
V
W
0.
3
to 0.7V
(incl
u
ding ?)
*
U
C-
Rem
a
rk
Criterion
-
+
Not le
ss
th
a
n 0.
3
V
(incl
u
ding ?)
*
U
C+
Te
s
ter termin
a
l
The following
ab
norm
a
litie
s
a
re
a
l
s
o do
ub
ted
b
e
s
ide
s
the PC
b
o
a
rd
ab
norm
a
lity.
!
F
au
lty compre
ss
or (gro
u
nd f
au
lt, gro
u
nd le
a
k
a
ge)
!
F
au
lty f
a
n motor (gro
u
nd le
a
k
a
ge)
*
There need
s
to
b
e none of e
a
ch v
a
l
u
e v
a
ri
a
tion.
When
us
ing the digit
a
l type of m
u
ltiple te
s
ter, m
a
ke me
asu
rement in
diode check mode.
It m
a
y t
a
ke time to
determine the
volt
a
ged
u
e to
c
a
p
a
citor ch
a
rge or
el
s
e.
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...
