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Error code reference
LG Washer Error Code Uc
Power error - voltage outside normal range (187V-276V); cycle will resume automatically when correct voltage is supplied.
SourceLG Washing Machine - Full Service Manual: WW7000H & F700E Seriesp. 34
Diagnostic procedure
The full Uc procedure
Step 1 is visible so you can confirm you are on the right page. The remaining steps, the ones that tell you whether to actually replace a part, unlock with any pass.
MyPros+ · DiagnosticsStep 1 preview
1
First diagnostic step
Check consumer's power conditions and operating voltage.
SourceLG Washing Machine - Full Service Manual: WW7000H & F700E Seriesp. 34
More steps, wiring diagram references, and verified part numbers
Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.
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Where this code is documented
5 manuals in the MyPros+ library document this code for LG washer.
Models covered by the manuals that document this code
75,000+ service documents · 20,000+ error codes · 100+ brands
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