Compressor Troubleshooting - LG LFXS28566 Series Service Manual

12. COMPRESSOR TROUBLESHOOTING

12. Compressor Troubleshooting
PCB Check (Simplify)
A-inverter
3RZHU 2II
7HVW %XWWRQ
Test Mode
Ref.
)RUFHG 6WDUWLQJ
TEST1
Troubleshooting
5HFKHFN
5HVHW
<
/('
1RW
%OLQN"
&RROLQJ
1
&KHFN &
+ H
&RQ
3RZHU 2Q
'LVFRQQHFW
Comp
FLA075(A-Inverter)
7'& )XOO 6WURNH
/(' EOLQN  /(' EOLQN UHFRUG
/(' EOLQN  /(' EOLQN UHFRUG
/(' EOLQN  /(' EOLQN UHFRUG
/(' EOLQN /(' EOLQN UHFRUG
/(' EOLQN /(' EOLQN UHFRUG
&RPS
:RUN"
<
<
5HIULJHUDQW
D \ Y 5 H S D U L
OHDN "
TEST 1 Mode
7LPH!VHF
9 
1
5HSODFH 'ULYHU 3&%
Display & sound
'LVSOD\ 21 %X]]  WLPH
5HVHW /(' EOLQN 
5HVHW /(' EOLQN 
5HVHW /(' EOLQN 
<
+HDY\ 5HSDLU
5HVHW /(' EOLQN
<
+HDY\ 5HSDLU
5HVHW /(' EOLQN
<
+HDY\ 5HSDLU
,30 RXWSXW
1
1
!
9
<
&RPS
&KHFN"
1
5 H F K H N F
-80-
- 80-
3URWHFWLRQ /RJLF
<
3&% 2.
Check Voltage about 200V
past 30second after turn on
5HSODFH 'ULYHU 3&%
&RPS <
&KHFN"
5HSODFH 'ULYHU 3&%
1
1
&RPS &RPS
1
:RUN" &KHFN"
<
1
/HDNDJH"
5HFKHFN
1 +DUQHVV <
&RPS
:RUN" &KHFN"
1
<
)L[ +DUQHVV
1
5HIULJHUDQW
5HFKHFN
OHDN"
1
1
&RPS &RPS
:RUN" &KHFN"
<
1
/HDNDJH" 5HFKHFN
5HSODFH 'ULYHU 3&%
1
Refer
5HSODFH &RPS
&RPS 1
&KHFN"