Shorted circuit board for older Falke battery chargers for power drill. Three diodes burned. Is it just to replace them or could there be other causes of a short circuit? Water got into the charger... What kind of diode is it?

Show accurate macro photos of both sides of this board. The markings on the components must be clear, otherwise it will be difficult to help anything. More damage may have occurred after flooding with water.

This charger has some kind of transformer. Water may have remained in its windings. You need to determine whether it caused damage to the insulation.

Falke Battery Charger Short: Replace Diodes or Other Issues After Water Damage?

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#1 20908488 14 Jan 2024 11:47

peterhambergph peterhambergph

Level 1

Post #1
20908488 14 Jan 2024 11:47

Shorted circuit board for older Falke battery chargers for power drill. Three diodes burned. Is it just to replace them or could there be other causes of a short circuit? Water got into the charger... What kind of diode is it?
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#2 20910067 14 Jan 2024 23:56

yogi009 yogi009

Level 43

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Post #2
20910067 14 Jan 2024 23:56

Show accurate macro photos of both sides of this board. The markings on the components must be clear, otherwise it will be difficult to help anything. More damage may have occurred after flooding with water.
#3 20911837 16 Jan 2024 00:23

_jta_ _jta_

Electronics specialist

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Post #3
20911837 16 Jan 2024 00:23

This charger has some kind of transformer. Water may have remained in its windings. You need to determine whether it caused damage to the insulation.
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