Samsung AQV09NSD Service Manual page 76

Troubleshooting
12-2-11 DC-Link voltage sensor error
1 . C h e c kl i s t :
1 ) Is th e vol t age o f in door u
2) Is th e c apa cit or ( C1 0 1, C1
3) Are R11 2 , R11 3 , R114 4 70
4 ) Is R115 14 .3 Ko h m?
2. Troubles h oo tin g pro c edure
Is th e vol t age o f in door u
1, 2 c orre ct a ft er power supply?
Yes
Is th e c apa cit or ( C1 0 1, C1
f o r DC-L in k assembled
th e spe cific a
Yes
Are R11 3 , R114, R115 4
Yes
Is R116 14 .3 ko
Yes
1 2 -1 3
All manuals and user guides at all-guides.com
nit t erm in al blo c k 1, 2 c orre ct a ft er power supply?
02 , C1 03) f o r DC-L in k assembled in
Ko h m?
nit t erm in al blo c k
No
02 , C1 03)
in a cc orda nc e
ti o n ?
No
70 ko h m?
No
h m?
a cc orda nc e th e spe cific a ti o n ?
Apply th e t roubles h oo tin
ou t door u nit power supply error
No
Co nn e ct th e c o nn e ct or
Ex ch a n ge th e PCB .
Ex ch a n ge th e Fa n.
Ex ch a n ge th e PCB .
g f o r
.
.
Normal opera ti o n
Ex it
Samsu n g Ele ct ro nic s