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LG LFXS28566 Series - Page 81

LG LFXS28566 Series
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-81-
- 80-
12.
Compressor Troubleshooting
PCB Check (Simplify)
Test Mode
ξ˜Ÿξ˜žξ˜ξ˜œξ˜›ξ˜šξ˜™ξ˜˜ξ˜˜ ξ˜Ÿξ˜žξ˜ξ˜œξ˜›ξ˜šξ˜™ξ˜— ξ˜Ÿξ˜–ξ˜•ξ˜šξ˜™ξ˜”
ξ˜“ξ˜œξ˜’ξ˜‘ξ˜ξ˜ξ˜œξ˜šξ˜Žξ˜›ξ˜ξ˜Œξ˜œξ˜›ξ˜šξ˜Ÿξ˜–ξ˜•
ξ˜‹

ξ˜‰ξ˜ξ˜ˆξ˜œξ˜‡ξ˜†ξ˜…ξ˜„ξ˜œξ˜
ξ˜ƒξ˜šξ˜‚ξ€―ξ˜ξ˜…ξ˜…
ξ˜–ξ˜žξ˜—ξ˜ξ˜…ξ™Ώ
ξ˜Žξ˜ξ˜„ξ˜ξ˜žξ˜—ξ˜—ξ˜œξ˜ξš
A-inverter
TEST 1 Mode
ξ˜Ÿξ˜›ξ˜žξšξ˜œξ˜ξšξ˜ξ˜žξ˜—ξ˜šξšξ˜žξšξ˜ξ˜
Check Voltage about 200V
past 30second after turn on
Troubleshooting
ξ˜‹

ξ˜‹
ξ˜‹



ξ˜‹
ξ˜‹
ξ˜‹



ξ˜‹
ξ˜‹


ξ˜‹
ξ˜‹
ξ˜‹ξ˜žξš
ξ˜–ξ˜žξ˜žξ˜‘ξ˜ξ˜—ξš
 ξ˜‹
ξ˜‹
ξ˜‹
ξ˜‹
ξ˜‹

ξ˜‹

ξ˜“ξ˜œξ˜ξšξ˜œξ˜ξš
ξšξš ξ˜Žξ˜šξš­ξ˜‘ξ˜ξ˜—ξšξ˜šξ™Ώ
ξšξš ξ˜Žξ˜šξš­ξ˜‘ξ˜ξ˜—ξšξ˜šξš€
ξšξš ξ˜Žξ˜šξš­ξ˜‘ξ˜ξ˜—ξšξ˜šξš‚
ξšξš ξ˜Žξ˜šξš­ξ˜‘ξ˜ξ˜—ξšξ˜
ξšξš ξ˜Žξ˜šξš­ξ˜‘ξ˜ξ˜—ξšξšƒ
ξšξš ξ˜Žξ˜šξš­ξ˜‘ξ˜ξ˜—ξšξ˜šξ˜›ξ˜œξ˜ξ˜žξ˜›ξš„
ξšξš ξ˜Žξ˜šξš­ξ˜‘ξ˜ξ˜—ξšξ˜šξ˜›ξ˜œξ˜ξ˜žξ˜›ξš„
ξšξš ξ˜Žξ˜šξš­ξ˜‘ξ˜ξ˜—ξšξ˜šξ˜›ξ˜œξ˜ξ˜žξ˜›ξš„
ξšξš ξ˜Žξ˜šξš­ξ˜‘ξ˜ξ˜—ξšξ˜šξ˜›ξ˜œξ˜ξ˜žξ˜›ξš„
ξšξš ξ˜Žξ˜šξš­ξ˜‘ξ˜ξ˜—ξšξ˜šξ˜›ξ˜œξ˜ξ˜žξ˜›ξš„
ξ˜“ξ˜œξ˜„ξ˜œξš
ξ˜“ξ˜œξ˜„ξ˜œξš
ξ˜“ξ˜œξ˜„ξ˜œξš
ξ˜“ξ˜œξ˜„ξ˜œξš
ξšξš ξ˜Žξ˜šξš­ξ˜‘ξ˜ξ˜—ξšξ˜šξ™Ώ
ξšξš ξ˜Žξ˜šξš­ξ˜‘ξ˜ξ˜—ξšξ˜šξš€
ξ˜“ξ˜œξ˜’ξ˜‘ξ˜ξ˜ξ˜œξ˜šξ˜Žξ˜›ξ˜ξ˜Œξ˜œξ˜›ξ˜šξ˜Ÿξ˜–ξ˜•
ξ˜–ξ˜žξ˜ˆξ˜’ξš…
ξ˜–ξšξ˜œξ˜ξšξš†
ξ˜“ξ˜œξ˜’ξ˜‘ξ˜ξ˜ξ˜œξ˜šξ˜Žξ˜›ξ˜ξ˜Œξ˜œξ˜›ξ˜šξ˜Ÿξ˜–ξ˜•
ξšξš ξ˜Žξ˜šξš­ξ˜‘ξ˜ξ˜—ξšξ˜šξš‚
ξšξš ξ˜Žξ˜šξš­ξ˜‘ξ˜ξ˜—ξšξ˜
ξš‡ξ˜œξ˜ξ˜Œξšˆξ˜šξ˜“ξ˜œξ˜’ξ˜ξ˜ξ˜›
ξš‡ξ˜œξ˜ξ˜Œξšˆξ˜šξ˜“ξ˜œξ˜’ξ˜ξ˜ξ˜›
ξ˜–ξ˜žξ˜ˆξ˜’ξš…
ξš‰ξ˜žξ˜›ξšξš†
ξ˜–ξ˜žξ˜ˆξ˜’ξš…
ξ˜–ξšξ˜œξ˜ξšξš†
ξ˜“ξ˜œξ˜’ξ˜‘ξ˜ξ˜ξ˜œξ˜šξ˜–ξ˜žξ˜ˆξ˜’ξš…
ξ˜–ξ˜žξ˜ˆξ˜’ξš…
ξš‰ξ˜žξ˜›ξšξš†
ξ˜–ξ˜žξ˜ˆξ˜’ξš…
ξ˜–ξšξ˜œξ˜ξšξš†
ξš‡ξ˜ξ˜›ξ˜—ξ˜œξ˜„ξ˜„
ξ˜–ξšξ˜œξ˜ξšξš†
ξšξ˜œξ˜ξšξ˜ξšξ˜œξš†
ξ˜“ξ˜œξ˜ξšξ˜œξ˜ξš
ξ˜“ξ˜œξ˜„ξ˜œξš ξšξš ξ˜Žξ˜šξš­ξ˜‘ξ˜ξ˜—ξšξšƒ
ξš‡ξ˜œξ˜ξ˜Œξšˆξ˜šξ˜“ξ˜œξ˜’ξ˜ξ˜ξ˜›
ξšξ˜ξ˜œξšξ˜ξ˜œξ˜“ξ˜›ξ˜ξ˜ξ˜’ξ˜œξ˜“ξ˜šξšˆξ˜Œξ˜ξ˜œξš‡
ξ˜“ξ˜œξ˜’ξ˜‘ξ˜ξ˜ξ˜œξ˜šξ˜Žξ˜›ξ˜ξ˜Œξ˜œξ˜›ξ˜šξ˜Ÿξ˜–ξ˜•
ξ˜–ξ˜žξ˜ˆξ˜’ξš…
ξš‰ξ˜žξ˜›ξšξš†
ξ˜–ξ˜žξ˜ˆξ˜’ξš…
ξ˜–ξšξ˜œξ˜ξšξš†
ξ˜“ξ˜œξ˜˜ξ˜›ξ˜ξšξ˜œξ˜›ξ˜ξ˜—ξš
ξ˜‘ξ˜œξ˜ξšξ˜šξš†
ξšŠξ˜Ÿξš‹ξ˜šξ˜žξšŒξšξ˜’ξšŒξš
ξ˜‡
ξšŽξ˜…ξ˜‚ξš‘ξ˜ξ˜…ξš’
ξ˜“ξ˜œξ˜˜ξ˜›ξ˜ξšξ˜œξ˜›ξ˜ξ˜—ξš
ξ˜‘ξ˜œξ˜ξšξš†
ξ˜“ξ˜œξ˜ξšξ˜œξ˜ξš
ξš“ξ˜ξš”ξ˜šξš‡ξ˜ξ˜›ξ˜—ξ˜œξ˜„ξ˜„
ξ˜–ξ˜žξ˜ˆξ˜’ξš…
ξš‰ξ˜žξ˜›ξšξš†
ξ˜–ξ˜žξ˜ˆξ˜’ξš…
ξ˜–ξšξ˜œξ˜ξšξš†
ξšξ˜œξ˜ξšξ˜ξšξ˜œξš† ξ˜“ξ˜œξ˜ξšξ˜œξ˜ξš
ξ˜“ξ˜œξ˜„ξ˜œξš
ξ˜–ξšξ˜œξ˜ξšξ˜šξ˜–

ξ˜•ξ˜‘ξ˜ξ˜—ξšξš†
Ref.
Comp
FLA075(A-Inverter)
Refer
TEST1 ξš“ξ˜žξ˜›ξ˜ξ˜œξš„ξ˜šξš•ξšξ˜ξ˜›ξšξ˜ξ˜—ξš ξ˜‰ξ˜Žξ˜–ξ˜šξš–ξš“ξšŒξ˜‘ξ˜‘ξ˜šξš•ξšξ˜›ξ˜žξšξ˜œξš—
Display & sound
ξ˜Žξ˜ξ˜„ξ˜’ξ˜‘ξ˜ξšˆξ˜šξ˜™ξ˜‹ξš˜ξ˜šξ˜•ξšŒξš™ξš™ξ˜šξ™Ώξ˜šξšξ˜ξ˜ˆξ˜œ
ξ˜‰ξ˜œξ˜„ξšξ˜šξ˜•ξšŒξšξšξ˜žξ˜—
- 8 1 -
12-1 Check A
 ξ˜žξ˜ξ˜œξ˜›ξ˜œξ˜šξ˜™ξ˜˜ξ˜šξ˜—ξ˜–ξ˜šξ˜•ξ˜”ξ˜“ξ˜›ξ˜’ξ˜šξ˜‘ξ˜”ξ˜ξ˜“ξ˜ξ˜œξ˜’ξ˜šξ˜™ξ˜Žξ˜šξ˜ξ˜ξ˜œξ˜šξ˜—ξ˜–ξ˜•ξ˜šξ˜ξ˜“ξ˜˜ξ˜œξ˜
ξ˜žξ˜ξ˜œξ˜šξ˜ξ˜”ξ˜Žξ˜ξ˜›ξ˜”ξ˜‘ξ˜šξ˜’ξ˜›ξ˜™ξ˜Œξ˜œξ˜›ξ˜šξ˜™ξ˜˜ξ˜šξ˜—ξ˜–ξ˜šξ˜‹ξ˜”ξ˜“ξ˜›ξ˜’ξ˜šξ˜Šξ˜”ξ˜›ξ˜šξ˜ξ˜ξ˜œξ˜šξ˜ξ˜”ξ˜‰ξ˜ˆξ˜›ξ˜œξ˜˜ξ˜˜ξ˜”ξ˜›ξ˜
 ξ˜žξ˜ξ˜™ξ˜˜ξ˜šξ˜˜ξ˜ξ˜œξ˜ˆξ˜šξ˜˜ξ˜ξ˜”ξ˜‡ξ˜˜ξ˜šξ˜ξ˜ξ˜œξ˜šξ˜˜ξ˜”ξ˜†ξ˜›ξ˜ξ˜œξ˜šξ˜Œξ˜”ξ˜‘ξ˜ξ˜“ξ˜…ξ˜œξ˜šξ˜”ξ˜Šξ˜šξ˜ξ˜ξ˜œξ˜šξ˜’ξ˜›ξ˜™ξ˜Œξ˜œξ˜›ξ˜šξ˜—ξ˜–ξ˜šξ˜‹ξ˜”ξ˜“ξ˜›ξ˜’ξ˜
ξ˜„ξ˜ξ˜œξ˜ˆξ˜ƒξ˜ξ˜šξ˜‚ξ˜ˆξ˜œξ˜Žξ˜šξ˜—ξ˜–ξ˜•ξ˜šξ˜–ξ˜”ξ˜Œξ˜œξ˜›
ξ˜„ξ˜ξ˜œξ˜ˆξ˜ξ˜ξ˜šξ˜–ξ˜ξ˜œξ˜ξ™Ώξ˜šξšξ˜›ξ˜™ξ˜Œξ˜œξ˜›ξ˜šξ˜—ξ˜–ξ˜•
 ξšξ˜œξ˜“ξ˜˜ξ˜†ξ˜›ξ˜œξ˜šξ˜ξ˜ξ˜œξ˜šξ˜Œξ˜”ξ˜‘ξ˜ξ˜“ξ˜…ξ˜œξ˜šξ˜‹ξ˜œξ˜ξ˜‡ξ˜œξ˜œξ˜Žξ˜šξ˜ξ˜ξ˜œξ˜šξ˜—ξ˜‚ξšξšξšξ˜šξ˜“ξ˜Žξ˜’ξ˜šξ˜–ξ˜‚ξšξšξ˜šξ˜ˆξ˜™ξ˜Žξ˜˜ξ˜šξ˜”ξ˜Šξ˜šξ˜ξ˜ξ˜œξ˜šξ˜ξ˜”ξ˜Žξ˜Žξ˜œξ˜ξ˜ξ˜”ξ˜›ξ˜šξ˜“ξ˜˜ξ˜šξ˜˜ξ˜ξ˜”ξ˜‡ξ˜Žξ˜šξ˜‹ξ˜œξ˜‘ξ˜”ξ˜‡ξ˜
Check to make sure compressor is receiving voltage from IPM
 ξš ξ˜Žξ˜šξ˜”ξ˜›ξ˜’ξ˜œξ˜›ξ˜šξ˜ξ˜”ξ˜šξ˜’ξ˜œξ˜ξ˜œξ˜›ξ˜‰ξ˜™ξ˜Žξ˜œξ˜šξ˜‡ξ˜ξ˜œξ˜ξ˜ξ˜œξ˜›ξ˜šξ˜ξ˜ξ˜œξ˜šξ˜ξ˜”ξ˜‰ξ˜ˆξ˜›ξ˜œξ˜˜ξ˜˜ξ˜”ξ˜›ξ˜šξ˜™ξ˜˜ξ˜šξ˜”ξ˜ˆξ˜œξ˜›ξ˜“ξ˜ξ˜™ξ˜Žξ˜…ξ˜šξ˜Žξ˜”ξ˜›ξ˜‰ξ˜“ξ˜‘ξ˜‘ξš­ξš€
ξ˜ξ˜ξ˜œξ˜ξ™Ώξ˜šξ˜ξ˜ξ˜œξ˜šξ˜”ξ˜†ξ˜ξ˜ˆξ˜†ξ˜ξ˜šξ˜Œξ˜”ξ˜‘ξ˜ξ˜“ξ˜…ξ˜œξ˜šξ˜’ξ˜†ξ˜›ξ˜™ξ˜Žξ˜…ξ˜šξ˜ξ˜ξ˜œξ˜šξ˜›ξ˜œξ˜Šξ˜›ξ˜™ξ˜…ξ˜œξ˜›ξ˜“ξ˜ξ˜™ξ˜”ξ˜Žξ˜šξ˜ξš­ξ˜ξ˜‘ξ˜œξ˜
 ξš‚ξ˜Šξ˜ξ˜œξ˜›ξ˜šξ˜™ξ˜Žξ˜™ξ˜ξ˜™ξ˜“ξ˜‘ξ˜šξ˜ˆξ˜”ξ˜‡ξ˜œξ˜›ξ˜Ÿξ˜†ξ˜ˆξš€ξ˜šξ˜‡ξ˜ξ˜œξ˜Žξ˜šξ˜ξ˜ξ˜œξ˜šξ˜ξ˜”ξ˜‰ξ˜ˆξ˜›ξ˜œξ˜˜ξ˜˜ξ˜”ξ˜›ξ˜šξ˜‹ξ˜œξ˜…ξ˜™ξ˜Žξ˜˜ξ˜šξ˜ξ˜”ξ˜šξ˜”ξ˜ˆξ˜œξ˜›ξ˜“ξ˜ξ˜œξš€ξ˜šξ˜‡ξ˜“ξ˜™ξ˜ξ˜šξ˜ƒξšƒ
ξ˜‰ξ˜™ξ˜Žξ˜†ξ˜ξ˜œξ˜˜ξ˜šξ˜‹ξ˜œξ˜Šξ˜”ξ˜›ξ˜œξ˜šξ˜ξ˜ξ˜œξ˜ξ™Ώξ˜™ξ˜Žξ˜…ξ˜
 ξ˜žξ˜ξ˜œξ˜šξ˜ξ˜”ξ˜‰ξ˜ˆξ˜›ξ˜œξ˜˜ξ˜˜ξ˜”ξ˜›ξ˜šξ˜™ξ˜˜ξ˜šξ˜”ξ˜ˆξ˜œξ˜›ξ˜“ξ˜ξ˜™ξ˜Žξ˜…ξ˜šξ˜Žξ˜”ξ˜›ξ˜‰ξ˜“ξ˜‘ξ˜‘ξš­ξ˜šξ˜™ξ˜Šξ˜šξ˜ξ˜ξ˜œξ˜šξ˜Œξ˜”ξ˜‘ξ˜ξ˜“ξ˜…ξ˜œξ˜šξ˜™ξ˜˜ξ˜šξ˜…ξ˜›ξ˜œξ˜“ξ˜ξ˜œξ˜›ξ˜šξ˜ξ˜ξ˜“ξ˜Žξ˜šξš„ξšƒξš…ξ˜
IPM Output check

Table of Contents

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