Transporter WiFi problems - looking for a replacement PSU

[JadeMonkee]

Thanks all for your input!
I actually think it was a weird WiFi issue. I started having troubles with another of my SBs shortly after posting this. I did a WiFi/network reboot and a power cycle of the SBs, and everything seems to be working again.
If it starts happening again, I'll see if...

[JadeMonkee]

Hi there,
As of this morning, my Transporter has been dropping off of the network (relays clicking as it does so), then reconnecting.
It's continuing to do this even when it's in standby.
I fear it's the PSU dying (I've never replaced it), as it's one of the symptoms listed here: ...