Solved
LG

Lg 1403Yd5

REredrat
Asked over 11 years ago 1,088 views
0

Experienced a break down this afternoon lost all power to machine , on inspection I found what looks like a soldered fuse on the board look like it failed , anyone point me in the best place for spares , or maybe its possible that the fuse can be replaced ???

rgds paul

Solution Summary

AI-generated from this discussion

This thread was marked as solved. Here's a summary of the problem and the fix, generated from the discussion below.

LG 1403YD5 lost all power; fuse on PCB appears blown

The problem
The washing machine lost all power. Inspection of the control board found a soldered-in fuse that appeared to have failed and was blackened inside.
Likely cause
The accepted reply says the fuse will not have blown without a reason. A further underlying fault was considered likely, possibly related to the motor or a significant power surge, but the exact cause was not confirmed.
What fixed it
The accepted advice was that the soldered fuse is deliberately non-replaceable as a normal spare. In theory it could be replaced only by finding an exact matching electronics fuse and soldering it in, but this was described as difficult and risky. The more practical option suggested was sourcing the complete PCB, while recognising this could be an expensive gamble unless the root cause is diagnosed first. Further diagnosis should be carried out by a suitably qualified appliance engineer.
Checks to try
  • Machine had completely lost power
  • Visual inspection found a soldered fuse on the PCB that looked blown
  • Fuse was noted as black inside, suggesting it failed forcefully
Parts or tools mentioned
  • PCB
  • exact replacement soldered fuse
  • proper insulation test meter

Safety: Do not bypass the failed fuse or carry out live electrical testing. Further diagnosis should be carried out by a suitably qualified appliance engineer.

Cause identifiedGenerated 21 Aug 2026 · AI summaries can make mistakes — read the full thread below.
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1 Answer

Accepted Answer
0
WH
WhitegoodshelpVerified Engineer
Answered over 11 years ago

This fuse is deliberately designed to be un-replaceable. In theory it could be possible to replace it but it would be tricky. You would have to get an exact replacement from some electronics retailer. There's no way you will be able to buy this as a spare part for any washing machine spare parts source. The difficulty would be in locating one exactly the same, as it looks like a special possibly anti-surge type of fuse which is why it has that coil part in it. Then of course you'd have to adequately solder it back in place.

After all that you would have to hope that it didn't blow again as soon as the appliance was used, and there's a chance that is what would happen. These fuses don't blow for nothing. Something caused it. With it being black inside it looks like it blew with quite a force. It could be something to do with the motor or some big power surge it couldn't cope with. You may be able to locate the entire PCB (try 4Washerhelp spare parts) but without knowing what caused it to blow and testing the machine with a proper insulation test meter it could prove to be an expensive gamble.

Whitegoods Help — appliance repair expert and forum host.

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