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by The Lord
Wed Feb 20, 2013 12:07 am
Forum: Opentherm Gateway Forum
Topic: Help wanted troubleshooting newly assembled OTG.
Replies: 2
Views: 3848

Help wanted troubleshooting newly assembled OTG.

Yesterday I assembled an OTG board purchased from http://www.opentherm-gateway.com. Now there seems to be a problem with the PSU part. At the 7805 VCC pin I do measure slightly less then 3V DC. At secondary pins of transformer I do measure roughly 3V AC. Also the transformer turns warm within second...

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