Samsung AM072FXVAFH series, Руководство по обслуживанию

Страница: 283 / 293

T e st Op e r a tion
9-6 S a msun g El e c troni c s
3 ) Hi g h / Low pr e ssur e s e nsor (Mo d ul e inst a ll ed )
Ŷ Hi g h/Low Pr e ssur e s e nsor o f ea c h o f th e out d oor unit th a t mo d ul e is inst a ll ed .
Ŷ Error c o de o f Hi g h Pr e ssur e s e nsor : E505 (Th e r e sultin g r e port "Un de t e rmin ed ")
Error c o de o f Low Pr e ssur e s e nsor : E506 (Th e r e sultin g r e port "Un de t e rmin ed ")
Ŷ D e t e rmin e th e st a tus o f th e Hi g h/Low Pr e ssur e s e nsor o f th e ea c h Out d oor Unit inst a ll ed b e f or e th e c ompr e ssor st a rt.
Ŷ I f th e ju d g m e nt o f Out d oor Unit Hi g h/Low Pr e ssur e s e nsor is "Un de t e rmin ed " : Ch e c kin g in a cc or da n c e with th e f ollowin g or de r.
[ C aution]
- I f th e ju d g m e nt o f Pr e ssur e s e nsor "Un de t e rmin ed " :
Displ a y th e e rror to a ll o f th e Out d oor Unit a n d th e n Auto Tri a l Op e r a tion is e xit ed . ( S top th e ov e r a ll syst e m)
Y e s
Confirm a tion a n d M ea sur e s
No
Is Pr e ssur e s e nsor c onn e c tor prop e rly c onn e c t?
Y e s
R e pl a c e PCB
No
Is volt a g e 5V b e tw ee n 3 , 4 pin
o f PCB Pr e ssur e s e nsor t e rmin a l?
Y e s
R e pl a c e Pr e ssur e s e nsor
No
Is de vi a tion o f out d oor
unit a s f ollowin g ?"Hi g h pr e ssur e M a x
/Min de vi a tion : l e ss th a n 2 "
Off th e v a c uum mo de
(All o f th e Out d oor Unit)
Ch e c k th e Pr e ssur e s e nsor b r ea k d own
Compl e t e
V a c uum mo de (All o f th e Out d oor Unit)
※
Ch e c k th e Pr e ssur e s e nsor b r ea k d own a f t e r th e s a tur a tion pr e ssur e
o f th e out d oor t e mp e r a tur e or c onn e c t th e m a ni f ol d g a u g e to c h e c k th e pr e ssur e .
Y e s
Is S e rvi c e V a lv e op e n st a t e
o f inst a ll ed mo d ul e ? (E a c h Out d oor Unit )
No
S e rvi c e V a lv e op e nin g o f th e Out d oor Unit