Samsung AM080FXWANR, Руководство по обслуживанию

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T e st Op e r a tion
Sa m s u n g El ec troni c s 2 8 3
2) Outdoor unit's thermistors
∙ W h a t to insp ec t : O u t d oor u nit ' s th e r m istors ( t e m p e r a t u r e s o f o u t d oor a ir ( or w a t e r t e m p ), Con d o u t , E VI e ntr a n ce / e x it ,
Suc tion , a n d l i q u i d l in e )
∙ E rror c o de : N on e (“ N G” is on ly in d i ca t ed in th e r e s u l t r e port )
∙ H o w to de t e r m in e e rror : Ch ec k th e t e m p e r a t u r e d i ffe r e n ce be t w ee n th e th e r m istors on th e o u t d oor u nits bef or e
th e c o m pr e ssors a r e st a rt ed.
∙ P e r f or m insp ec tion acc or d in g to th e st e ps sho w n be l o w .
Ŷ
P r ecau tions
- S t a rt insp ec tion af t e r th e o u t d oor u nit ' s th e r m istors bec o m e st ab l e ( ge n e r a lly, l ea v e i d l e f or a t l ea st on e ho u r ) .
If y o u st a rt insp ec tion i mm ed i a t e ly af t e r op e r a tion , th e t e m p e r a t u r e is not st ab l e a n d this ca n deg r ade th e insp ec tion accu r ac y .
- T o r e p l ace a c o m pon e nt or insp ec t th e P BA , be s u r e to cu t o ff th e po w e r s u pp ly f irst . A
If insp ec tion m u st be p e r f or m ed w ith th e po w e r s u pp ly on , e x e r c is e e x tr a ca r e to pr e v e nt e l ec tri c sho c k .
W a it u nti l th e th e r m istors on th e o u t d oor
u nits bec o m e st ab l e.
I s th e de v i a tion
be t w ee n th e insp ec t ed th e r m istors
g r ea t e r th a n 1 0
ఁ
?
* H o w to m ea s u r e
R e sist a n ce Dis c onn ec t th e th e r m istor
c onn ec tors f ro m th e P BA a n d th e n m ea s u r e
th e r e sist a n ce be t w ee n th e t e r m in a l s o f th e
c onn ec tors .
T a k e c orr ec ti v e m ea s u r e s .
T a k e c orr ec ti v e m ea s u r e s .
R e p l ace th e th e r m istors .
Ar e th e th e r m istor
c onn ec tors prop e r ly c onn ec t ed
to th e P BA ?
Ar e th e th e r m istors
a tt ac h ed to th e c orr ec t
positions ?
Ar e th e r e sist a n ce
v a l ue s * f or th e th e r m istors
nor m a l?
R e p l ace th e H ub P BA .
P e r f or m A u to T ri a l Op e r a tion aga in .
T e m p e r a t u r e (
ఁ
) R e sist a n ce (KΩ)
70 2.2
60 3.0
5 0 4 .2
4 0 5 . 8
30 8 .3
20 1 2. 1
1 0 18 .0
0 27.3
-1 0 4 3.0
Y e s
Y e s
Y e s
Y e s
N o
N o
N o
N o
9-1 Auto Trial Operation ( c ont . )
9-1-3 How to resolve NG items ( c ont . )