Electronics > Repair

B-Hyve irrigation controller

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Shaw:
My B-Hyve irrigation controller died this week and I've started to try and diagnose what's going wrong.

It has a 240v->24v AC power supply in the unit, and it seems to be working okay, though the voltage coming out of that is around 27VAC rather than 24VAC.  I'm now trying to trace the power circuit through the power board which is the Orbit WT-25 GEN II (can be googled) - it has a daughter board which has all of the low voltage/IoT stuff on it, and I've probed around with a multimeter on there and there seems to be some 1.3v around, but nothing around ~5v which seems weird.

I assume there would only be clean 5v (or similar) going to the daughter board right? 

Could anyone steer me in the right direction to keep debugging what's going on here?

TIA :)

pk:
I have the same issue.  Did you ever resolve the problem?  |O

fzabkar:
What voltages do you measure at the large 470uF capacitor and the small C4 capacitor (near inductor L1) on the PSU board?

pk:
I see the c4 near the L1 but not the 470uF.

fzabkar:

--- Quote from: pk on October 08, 2023, 12:35:52 am ---I see the c4 near the L1 but not the 470uF.
--- End quote ---

It's on the other side of the board. You can't miss it. :-)

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