Samsung AM160FNBFEB/EU, Руководство по обслуживанию

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T ro u b l eshooting
S ams u ng El ectronics 4-47
4-4- 2 M ai n PCB h as n o p o w er ph e n o m e n o n
Ou tdoor u nit disp l a y Main P CB has no power phenomenon (7- seg does not b l ink)
Ju dgment Method
Hu b P CB power and connection wire to detect.
C a u se of prob l em
∙ HUB P CB connector wire defects and the connection is not.
∙ Main P CB defecti v e.
∙ Hu b P CB defecti v e.
∙ H igh press u re switch operation
1 . C
a u se of prob l em
Rep l ace F an P CB
C heck the connection stat u s of E M I P CB .
C heck the short circ u it of E M I P CB Fu se.
Refrigerant o v ercharge ?
H igh press u re switch is defecti v e.
No
No
Y es
Y es
Y es
HUB P CB C N 70 AC 22 0V is connected ?
I s a high press u re switch norma l?
C heck the short circ u it of Hu b P CB .
Rep l ace Hu b P CB
No
Y es
C onfirm a b l inking of Hu b P CB LE D.
C onnecting the comm u nication wire. (C N 96 )
No
Y es
Did y o u check
the connection stat u s of the Main / Hu b connection
wire ?
Power O n