You don't, a service guy will! Unless you are proficient in the removal and cleaning of such equipment you are only inviting trouble. There are many servicing agents around the world who can repair this type of fault. The question I'd ask is how did the moisture get in there in the first place and how long ago? Mould can take hold very quickly and destroy coatings, so the sooner you take action the better.
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You don't, a service guy will! Unless you are proficient in the removal and cleaning of such equipment you are only inviting trouble. There are many servicing agents around the world who can repair this type of fault. The question I'd ask is how did the moisture get in there in the first place and how long ago? Mould can take hold very quickly and destroy coatings, so the sooner you take action the better.