Samsung AR12HSSDPWKNEE, Service Manual

Page: 57 / 108

Sa msung E l e c troni c s 1 0- 1
10. Troubleshooting
10-1 Ite m s to be checked first
1. Th e in p ut v o l tage s h ou ld b e rating v o l tage
±
1 0 % range .
Th e air c on d itioner may not o p erate p ro p er l y i f t h e v o l tage is out o f t h is range .
2 . I s t h e l ine c a bl e l in k ing t h e in d oor unit an d t h e out d oor unit l in k e d p ro p er l y ?
Th e in d oor unit an d t h e out d oor unit s h a ll b e l in k e d b y 5 c a bl es .
Ch e ck t h e termina l s i f t h e in d oor unit an d out d oor unit are p ro p er l y l in k e d b y t h e same num b er o f c a bl es .
O t h er w ise t h e air c on d itioner may not o p erate p ro p er l y .
3. Wh en a p ro bl em o cc urs d ue to t h e c ontents i ll ustrate d in t h e ta bl e b e l o w it is a sym p tom not re l ate d to t h e ma lf un c tion
o f t h e air c on d itioner .
NO Operation of air conditioner E x planation
1
Th e OP E RATION in d i c ation L E D(BLU E ) bl in k s wh en a
p o w er pl ug o f t h e in d oor unit is pl ugge d in f or f irst
time .
I t in d i c ates p o w er is on . Th e L E D sto p s bl in k ing i f t h e o p er-
ation ON/OFF b utton on t h e remote c ontro l unit is p us h e d.
2
I n a COOL o p eration mo d e , t h e c om p ressor d oes not
o p erate at a room tem p erature h ig h er t h an t h e setting
tem p erature t h at t h e INDOOR FAN s h ou ld o p erate .
[ In case of heat pu m p m odel ]
I n a H E AT o p eration mo d e , t h e c om p ressor d oes not
o p erate at a room tem p erature l o w er t h an t h e setting
tem p erature t h at in d oor f an s h ou ld o p erate .
I n h a pp ens a f ter a d e l ay o f 3 minutes wh en t h e c om p res-
sor is reo p erate d. Th e same ph enomenon o cc urs wh en
a p o w er is on . A s a ph enomenon t h at t h e c om p ressor is
reo p erate d a f ter a d e l ay o f 3 minutes , t h e in d oor f an is
a dj uste d automati c a ll y w it h re f eren c e to a tem p erature o f
t h e air bl e w.
3
F an s p ee d setting is not a ll o w e d in DRY mo d e .
Th e s p ee d o f t h e in d oor f an is set to LL in DRY mo d e .
F an s p ee d is se l e c te d automati c a ll y in AUTO mo d e .
4
C om p ressor sto p s o p eration intermittent l y in D ry
mo d e .
C om p ressor o p eration is c ontro ll e d automati c a ll y in DRY
mo d e d e p en d ing on t h e room tem p erature an d h umi d ity .
5
T imer L E D(ORANG E ) o f t h e in d oor unit l ig h ts u p an d
t h e air c on d itioner d oes not o p erate .
T imer is b eing a c ti v ate d an d t h e unit is in rea d y
mo d e . Th e unit o p erates norma ll y i f t h e timer o p era-
tion is c an c e ll e d.
6
Th e c om p ressor sto p s intermittent l y in a COOL
mo d e or DRY mo d e , an d f an s p ee d o f t h e in d oor unit
d e c reases .
Th e c om p ressor sto p s intermittent l y or t h e f an s p ee d
o f t h e in d oor unit d e c reases to p re v ent insi d e / outsi d e
air f ro z en d e p en d ing on t h e insi d e / outsi d e air tem-
p erature .
7
[In case of heat pu m p m odel]
C om p ressor o f t h e out d oor unit is o p erating a l t h oug h
it is turne d o ff in a H E AT mo d e .
Wh en t h e unit is turne d o ff wh i l e d e-i c e is a c ti v ate d,
t h e c om p ressor c ontinus o p eration f or u p to 9
minutes ( ma x imum ) unti l t h e d ei c e is c om pl ete d.
8
[In case of heat pu m p m odel]
Th e c om p ressor an d in d oor f an sto p intermitten l y in
H E AT mo d e .
Th e c om p ressor an d in d oor f an sto p intermittent l y i f
room tem p erature e xc ee d s a setting tem p erature in
or d er to p rote c t t h e c om p ressor f rom o v er h eate d air
in a H E AT mo d e .
9
[In case of heat pu m p m odel]
I n d oor f an an d out d oor f an sto p o p eration
intermittent l y in a H E AT mo d e .
Th e c om p ressor o p erates in a re v erse c y cl e to remo v e
e x terior i c e in a H E AT mo d e , an d in d oor f an an d out-
d oor f an d o not o p erate intermittent l y f or w it h in 20 %
o f t h e tota l h eater o p eration .