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Haier ESA424J Fuse
In a wall unit, the fuse functions as a type of electrical shield in case of a short or overload of the electrical current. Always play it safe and attempt to find the cause when a fuse blows so you know if something is really wrong.
Important signs the circuited fuse will need to be replaced
- The internal fuse appears blackened and in rough shape when initially seen
- The unit will not power on even though enough power is coming in to the wall unit
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