Samsung AM072FXVAFH series, Service Manual

Page: 181 / 293

Trou b l e shootin g
S a msun g El e c troni c s 4-85
4-4-38 P revention of heating / cooling operation due to outdoor temperature
Out d oor unit
d ispl a y
(Pr e v e ntion o f h ea tin g op e r a tion d u e to hi g h t e mp e r a tur e o f out d oor)
(Pr e v e ntion o f c oolin g op e r a tion d u e to low t e mp e r a tur e o f out d oor)
In d oor Unit
Displ a y
Ju d g m e nt
M e tho d
∙ H ea tin g op e r a tion : Wh e n th e out d oor t e mp e r a tur e is mor e th a n 3 0
℃
∙ Coolin g op e r a tion : Wh e n th e out d oor t e mp e r a tur e is l e ss th a n - 2 5
℃
C a us e o f
pro b l e m
∙ S yst e m prot e c tion op e r a tion st a tus (Is not b r ea k d own)
· I f th e out d oor t e mp e r a tur e is s a tis f i ed th e op e r a tin g r a n g e , it will c l ea r th e e rror a n d st a rt th e op e r a tion a utom a ti c a lly.
Du c t, C a ss e tt e (1/ 2 W a y),Consol e , C e lin g C a ss e tt e (4/Mini4 W a y) W a ll-mount ed (N e oFort e )
Op e r a tion D e f rost Tim e r F a n Filt e r/MPI Op e r a tion D e f rost Tim e r Filt e r Op e r a tion Tim e r Tur b o
× × ◑ ◑ ◑ × ◑ ◑ ◑ ● ◑ ◑
※ ● :
ON
◑ :
Fl a sh
×:
OFF