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Apparently cheap and easy was too much to ask for lol, back to the drawing board. Tested the noise filter and same result, Piezoelectric speaker on the user interface board makes t-click sounds and then no result from pressing power/start/stop etc, no lights. Pulled both the UI board and the CCU board, did a full visual inspection and no burnt traces, no popped caps, no blackened or arced components. A little bit of white dust inside due to the CCU mount clips falling apart and apparently bouncing around in the machine or rubbing against the drum. Going to test continuity of the fuses and clean the connectors and board with rubbing alcohol. Any other tips on testing the board components of either the UI or the CCU?
Oh and how long do I have to return the Noise Filter if it turns out that it doesn't need replacing? Thanks in advance.
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AppliancePartsPros.com - 365-Day Hassle Free Return Policy:
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Rank: Member
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Ok, thanks brobriffin. The scripted reply helps on the returns question. I take it you are deliberating my other questions? :D
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Rank: Member
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No other data or references on end user or tech level testing of components on MCU, CCU or UI found. Sorry ¿Planned obsolescence?
All references point to replacement rather than repair. I understand the why, as a service tech receiving so much per hour it's more cost effective to replace rather than seek out a bad diode or resistor, or determine if a solder joint needs to be reflowed.
Sorry but unless you are well versed in computer board circuits and pathways I would try a replacement CCU. A google search may result in a lower price re-manufactured unit.
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