QUESTIONS & ANSWERS
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My Genie 2080 door opener is making humming sound when in standby as well. I turned the power off and the humming stopped. Do you think transformer needs replacement?
It is normal for the transformer to make a humming noise and this does not indicate a failure with it. If the unit is working correctly there is no need for a replacement.
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Capacitor shown, 70MFD-19988A.S, shows only two terminals. Is a four terminal cap available?
No, there is not.
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Opener closes and opens door , then stops. If I disconnect and then reconnect the power to the opener it will close and reopen the door and then shut down again. Is it the transformer or the sequencer board ?
This sounds like the circuit board. If the transformer goes out, it normally will not come back on.
