SiENBE18-621
Troubleshooting for Outdoor Unit
Troubleshooting
341
Troubleshooting
(V
3
1
8
7)
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.
I
s
indoor - o
u
tdoor
a
nd o
u
tdoor - o
u
tdoor
u
nit
tr
a
n
s
mi
ss
ion wiring
norm
a
l?
Su
pply 220
~
240 V.
Repl
a
ce the f
us
e.
Fix the indoor/o
u
tdoor
u
nit
tr
a
n
s
mi
ss
ion wiring.
P
us
h
a
nd hold the RE
S
ET
bu
tton on the o
u
tdoor
u
nit PC
b
o
a
rd for 5
s
econd
s
.
Repl
a
ce the o
u
tdoor
u
nit PC
b
o
a
rd (A1P).
YE
S
YE
S
NO
YE
S
Repl
a
ce the indoor
u
nit PC
b
o
a
rd.
P
us
h
a
nd hold the RE
S
ET
bu
tton on the m
as
ter o
u
tdoor
u
nit PC Bo
a
rd for 5
s
econd
s
.
Fix the indoor/o
u
tdoor
u
nit
tr
a
n
s
mi
ss
ion wiring.
YE
S
NO
NO
YE
S
H
as
the indoor
or o
u
tdoor
u
nit PC
b
o
a
rd
b
een repl
a
ced,
or h
as
the indoor - o
u
tdoor
or o
u
tdoor - o
u
tdoor
u
nit
tr
a
n
s
mi
ss
ion wiring
b
een
modified?
All
indoor
u
nit
remote control of the
sa
me refriger
a
nt
s
y
s
tem
di
s
pl
a
y
"U4."
NO
O
u
tdoor
u
nit PC
b
o
a
rd
microcomp
u
ter monitor
(HAP)
b
link
s
.
NO
NO
NO
Oper
a
tion
re
a
dy l
a
mp (H2P) i
s
b
linking.
L
a
mp doe
s
not go off for 12 min
u
te
s
or more.
I
s
indoor
- o
u
tdoor
a
nd o
u
tdoor -
o
u
tdoor
u
nit tr
a
n
s
mi
ss
ion
wiring norm
a
l?
YE
S
The f
us
e on
the o
u
tdoor
u
nit'
s
PC
b
o
a
rd i
s
bu
rnt.
Repl
a
ce the tr
a
n
s
former.
Repl
a
ce o
u
tdoor
u
nit PC
b
o
a
rd (A1P).
NO
The
s
econd
a
ry volt
a
ge
of the tr
a
n
s
former i
s
ab
o
u
t
22
~
24 V.
NO
The
volt
a
ge
b
etween
termin
a
l
s
L1
a
nd N of the
o
u
tdoor
u
nit PC
b
o
a
rd
i
s
220
~
240 V.
Re
s
et the power
su
pply.
YE
S
YE
S
YE
S
NO
YE
S
*
The
u
nit will not oper
a
te for
u
p to 12 min
u
te
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...