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Question:

What will happen if I use a 5 amp tube fuse instead of a recommended 1 amp fuse?

I am trying to repair a fill valve fuse in my maytag washer.

Answer:

stay with the recomended fuse size. sounds like the solinoid valve went bad. the valve will have two wires going to it disconnect the wires and use a conductivity meter from wire to wire. if you have conductivity the valve is good. if not replace the valve.
If there's a power spike or overload, you could melt your insulation and/or start a fire. You should never overfuse a circuit. Engineering margins are usually between 50% and 100% above rated value. 500% would be dangerous.
You will cause other damage if the problem wasn't just a weak fuse.
If you use a higher rated amp fuse I think it could catch on fire . Each wire size is only able to carry a given amount of amps. The bigger the wire the more amps and the smaller the wire size number. #14 wire 15amp fuse #12wire20amp fuse #10wire30amp fuse #8 wire40amp fuse. The fuse acts as safety feacher incase the amps are exceeded. The fuse blowes before the isulations on the wire meltes and causes a short .
The one amp fuse is there to limit the current to 1 amp. Using a 5 amp fuse will allow 5 amps to flow in a circuit designed for 1 amp. This current over the designed max current can cause damage to the components in the circuit and could also cause the components to overheat and start a fire. DON'T DO IT.

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