Check
code
Outdoor
LED display
Check and troubleshooting
(Item without special mention Indicates part of outdoor unit.)
[P22]
[Fan system trouble]
NO
Replace fan motor.
Replace f
us
e.
Check wiring con
s
tr
u
ction.
A
s
k repair of power
su
pply.
Check o
u
tdoor P.C.board
Fail
u
re
→
Replace
I
s
power
su
pply voltage normal?
AC198 to 264V
NO
I
s
not the f
us
e (near the terminal block)
blow
s
?
NO
YES
YES
YES
Rotate
s
haft of the fan motor by hand
s
d
u
ring power-OFF. Can it rotate
s
moothly?
I
s
coil re
s
i
s
tance of fan motor correct?
Between red and white lead wire : 12 to 20
Ω
Between white and black lead wire : 12 to 20
Ω
Between black and red lead wire : 12 to 20
Ω
[Confirmation of independent operation of outdoor fan]
Service
s
witche
s
SW01 and SW02 can be
us
ed to check the operation of the
4-way valve relay.
U
s
e to check whether there are any problem
s
with the 4-way valve or
4-way valve coil.
[Method of operation]
1) P
us
h en
su
re that D800 to D804 are off (or rapidly fla
s
hing) and that D805 i
s
lit
u
p. If D800 to D804 are
s
lowly fla
s
hing or D805 i
s
fla
s
hing then plea
s
e
p
us
h and hold down SW01 and SW02 at the
s
ame time for at lea
s
t 5
s
econd
s
.
D800 to D804 will t
u
rn off (or rapidly fla
s
h) and D805 t
u
rn on.
2) P
us
h and hold down SW01 for at lea
s
t 5
s
econd
s
. D804 will
s
tart
s
lowly fla
s
hing.
3
) P
us
h SW01
u
ntil reaching the below [Confirmation of independent operation
of o
u
tdoor fan] LED indication.
4) P
us
h SW02
u
ntil D805
s
tart
s
rapidly fla
s
hing.
5) P
us
h and hold down SW02 for at lea
s
t 5
s
econd
s
. D804 will
s
tart
s
lowly
fla
s
hing, D805 will t
u
rn on, and the 4-way valve re
s
i
s
tance val
u
e relay
operation will t
u
rn on.
6) P
us
h and hold down SW01 and SW02 at the
s
ame time for at lea
s
t
5
s
econd
s
or wait 2 min
u
te
s
to ret
u
rn to normal control.
D800
Confirmation of independent
operation of o
u
tdoor fan
D801
D802
D803
D804
: Go OFF : Go ON : Fla
s
h (5 time
s
/
s
ec)
FILE NO. SVM-18041
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