Author Topic: solenoid board woes....help needed  (Read 3724 times)

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Re:
« Reply #15 on: May 29, 2014, 09:32:32 PM »
U2 is an IC , I know how to test a diode and transistor.

The only real way to test an IC is by replacing it but these ones are very cheap - use a socket so future faultfinding is simplified.
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