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High Flow Next Low Voltage Alarm

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Speedy-VI

Senior Member

Beiträge: 867

High Flow Next Low Voltage Alarm

Samstag, 21. Dezember 2024, 22:59

My High Flow Next had a low-voltage alarm. I checked and the VCC5 USB voltage was sitting at about 4.3V. The High Flow Next is plugged into a Hubby7 along with an Octo, a Cuplex Kryos NEXT with VISION, and 2 Power Adjust 3s, none of which report VCC5 or VCC5 USB. The Hubby7 is connected to a USB2.0 port on another Hubby7 which is plugged into a header on my mobo. Both Hubby7s are powered by SATA power. My questions are:
  1. What is the difference between VCC5 and VCC5 USB? The High Flow Next is the only device that reports both, and in my case, VCC5 is always 0.2V lower than VCC5 USB.
  2. When the High Flow Next reports a low-voltage Alarm, which voltage is it based on?
  3. Why is the High Flow Next USB voltage so low? I suspect that having one Hubby7 plugged into another Hubby7 is not ideal, but both are SATA powered. I moved the High Flow Next to a port on the first Hubby7 and now it's reporting VCC5 4.5V, VCC5 USB 4.7V. The alarm is not activating, but the voltage is still a bit low. My Leakshield and D5 Next are also plugged into the first Hubby7. The Leakshield reports VCC 4.7V when the vacuum pump is not running, and the D5 Next reports VCC 5V is 5V but I think that is SATA power.
Leakshield Note – My Leakshield is currently plugged into the first Hubby7. I am concerned about this because the specs in the manual say it can draw up to 500ma. I don’t know how much current it draws while just sitting there or when the vacuum pump is running because, unlike the Farbwerk360, it does not report current or power. It seems odd that a device solely powered by USB, which can draw up to 500 ma, does not report current or power. Perhaps these parameters should be added? I watched the Leakshield VCC5 drop down to 4.17V and the High Flow Next VCC5 drop to 4.2V when the vacuum pump was running. I don't know if the D5 Next USB voltage drooped because it only reports VCC12V and VCC5V that I think are both SATA power voltages. I am going to move the Leakshield to another USB2.0 header on the mobo so it can remain powered when the system is in standby. I also suspect the Leakshield vacuum pump may be drawing too much current from the Hubby7 which is causing the USB 5VDC voltage to droop.

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