Daikin FTKS50BVMB, Service Manual

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SiEN18-622 Troubleshooting for Outdoor Unit
Troubleshooting 367
Troubleshooting
(V 3 067)
1 - 6
2 - 6
3 - 6
4 - 6
Me asu ring point s
(Or a nge) 1
(Red) 2
(Yellow) 3
(Bl a ck) 4
5
(Gr a y) 6
(V 3 067)
YE S
Caution
NO
NO
NO
NO
YE S
YE S
YE S
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.
T u rn power su pply off, a nd
t u rn power su pply on a g a in.
Ret u rn to norm a l?
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.
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.
Repl a ce the moving p a rt of
the electronic exp a n s ion
v a lve.
Repl a ce the connecting c ab le.
Repl a ce o u tdoor u nit PC
b o a rd (A1P).
* 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 tot 50
Ω
.