Samsung AM072FXVAFH series, Service Manual

Page: 291 / 293

9-14 S a msun g El e c troni c s
9-2 Amount of refrigerant automatically checking
Throu g h th e de t e c t op e r a tion is th e a b ility to v e ri f y a utom a ti c a lly f or th e a mount o f r e f ri g e r a nt.
S t a rt
"K 2 " T a c t S wit c h : Pr e ss th e 5 tim e s. S i g n a l input
T e mp e r a tur e c on d itions s a tis f i ed T e mp e r a tur e c on d itions s a tis f i ed
Ch e c k th e a mount o f r e f ri g e r a nt Ch e c k th e a mount o f r e f ri g e r a nt
Ju d g e th e a mount o f r e f ri g e r a nt
(Norm a l) (Ex c e ssiv e )
Compl e t e
Norm a l
Ex c e ssiv e o f
r e f ri g e r a nt
a mount
D e f i c i e n c y o f
r e f ri g e r a nt
a mount
D e f i c i e n c y o f
Ov e r- c oolin g
Un de t e rmin ed
(D e f i c i e n c y) (Un de t e rmin ed )
Ju d g e th e a mount o f r e f ri g e r a nt
S -CHECKER si g n a l input
[ C aution]
Ɣ I f e s c a p e th e w a rr a nty t e mp e r a tur e s, c a n not g e t th e a cc ur a t e r e sults.
- In d oor : 68~86 ˚F
- Out d oor : 41~109.4 ˚F
Ɣ I f op e r a tion c y c l e is not st a b l e , Ch e c kin g th e a mount o f r e f ri g e r a nt c a n b e f or c ed to shut d own.
Ɣ I f d i d not op e r a tion f or a lon g tim e , or wh e n runnin g th e h ea tin g op e r a tion, th e a cc ur a c y m a y b e low e r.
Th e r e f or e c a rri ed out f or mor e th a n 3 0 minut e s c oolin g op e r a tion.
Ɣ D e p e n d in g on th e inst a ll a tion e nvironm e nt, syst e m prot e c tion op e r a tion is p e r f orm ed , in this c a s e , th e c h e c k r e sult m a y b e in a cc ur a t e .
[How to trou b l e shoot th e ju d g ed r e sults]
Ɣ
Ex c e ssiv e o f r e f ri g e r a nt a mount : A f t e r th e 5% e missions o f c a l c ul a t ed tot a l r e f ri g e r a nt a mount, r e try Ch e c kin g th e a mount o f r e f ri g e r a nt.
Ɣ D e f i c i e n c y o f r e f ri g e r a nt a mount : A f t e r th e 5% add ition o f c a l c ul a t ed tot a l r e f ri g e r a nt a mount, r e try Ch e c kin g th e a mount o f r e f ri g e r a nt.
Ɣ D e f i c i e n c y o f Ov e r- c oolin g : A f t e r th e 10% add ition o f c a l c ul a t ed tot a l r e f ri g e r a nt a mount, r e try Ch e c kin g th e a mount o f r e f ri g e r a nt.
Ɣ
Un de t e rmin ed : Ch e c kin g th e a mount o f r e f ri g e r a nt c on f irms th a t is p e r f orm ed in w a rr a nty t e mp e r a tur e s a r ea .
Ensur e th a t th e r e is no oth e r pro b l e ms in th e syst e m b y T e st Op e r a tion.