Bus lock issue

[Armetas]

Hello,

Recently I constantly get Bus Lock error on my Reef angel - in that time salinity, ph expansion, water level goes to 0. After it comes back some of the ports in second relay expansion start turn on for less than a second.
I've tried to switch off the wifi module - bus lock issue stopped to appear. Any ideas what is causing this and how to solve this?

[Armetas]

Here is also video how ph expansion behaves: https://drive.google.com/open?id=10gT8v ... B0ovzHudoq

[rimai]

Try connecting the pH module straight to the relay box without a hub.
What happens?

[Armetas]

When I connect directly to relay box without hub I do not get Bus Lock, but still PH expansion is going up and down. When I turn off wifi extension from RA - numbers becomes stable

[rimai]

That module may be compromised, then.
Try cleaning it with alcohol.
Brush it really good and blow air to avoid water build up.

[Armetas]

Ok some updates: I've disconnected bluetooth attachement and connected Wifi module directly to ReefAngel - everything is stable now. I see that cables that connects from RA to Bluetooth and RA to Wifi are different - could this be a reason? Or any suggestions why this is happening?