Samsung AG042KSVANH, Руководство по обслуживанию

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64
4-3-24. 3-phase Input Wiring error
1. Insp
ec tion M e tho d
Inv e rt e r / Hy d ro c ontrol p a rt d ispl a y
Ju dg m e nt M e tho d
Wh e n turn on th e pow e r a n d c h ec k th e st a tus o f th e pow e r f rom th e inv e rt e r.
I f th e ph a s e d o e s not c onn ec t th e pow e r(no ph a s e ) : E4 2 5 or E466 (E 3 66) is d ispl a y ed (Air c on d ition e r to m a int a in th e
norm a l st a t e .)
How e v e r) N-ph a s e must be prop e rly c onn ec t ed .
C a us e o f pro b l e m
Ch ec k th e input wirin g
EMI Fus e short- c ir c uit
R e pl ace Inv e rt e r PCB
Pow e r O ff
Y e s
Y e s
No
Y e s
Di d th e M a in
T e rmin a l Blo c k a n d Pow e r R, S , T, N is
c onn ec t ed prop e rly?
Pow e r BOX T e rmin a l : Ch ec k th e ph a s e -to-ph a s e
c onn ec tion 3 80V o f th e R, S , T a n d th e n r e st a rt.
(N-ph a s e must be prop e rly c onn ec t ed .)
No
No
No
Y e s
R eac tor t e rmin a l c onn ec tion a n d th e n r e st a rt it
Low volt age e rror d urin g this initi a l c h a r ge :
R e pl ace Fus e , i f th e r ec ti f i e r d io de
o f th e inv e rt e r PCB is norm a l.
(R efe r to m ea surin g m e tho d usin g a t e st e r)
Conn ec tion a n d th e n r e st a rt it
Di d th e R eac tor
Conn ec tion T e rmin a l is c onn ec t ed
prop e rly?
Di d th e EMI PCB Fus e is short?
Is EMI PCB CN 2 1
c onn ec tor a n d Inv e rt e r PCB acc ur a t e ly
c onn ec t ed ?