The oil-lubricated dual-stage rotary vane roughing pump (D16B) requires a change of vacuum pump oil every 80-100 operating hours.
Improper extraction or preparation of the oil can cause excessively rapid fouling in the pump.
Ensure all extraction and pre-processing best practices are being followed (important).
After extreme use or a lack of sufficient oil changes, the vacuum pump can sometimes become damaged, which will require either replacement or will need to be disassembled and rebuilt with consumable parts replaced.
It is generally recommended that a replacement pump is ordered, as the rebuilding process is lengthy, and it can be difficult to obtain good results.
More information can be found in SOP – Vacuum Troubleshooting.
Please reach out to technical support or sales department at +1 (206) 452-1130 for one-on-one assistance or quoting.
The code of “alarm 11” indicates a faulty thermistor in the frequency inverter.
A replacement frequency inverter will need to be installed.
For more information, reach out to technical support or sales department at +1 (206) 452-1130 for one-on-one assistance or quoting.
When shutting down Huber heaters and chillers, it is important that the unit’s power switch not be turned off until the unit is fully shut down, or else the valve on the outlet of the unit may become stuck halfway in its throw, somewhere between open and closed.
To properly shut down a Huber:
- press the stop button in the bottom right of the home screen for the pump icon to become stationary
- the RPM readout below it will read “PUMP” (This means the pump is fully disengaged, the valve has closed)
- power to the unit may now be turned off
To fix this issue, you may need to re-flash the Pilot One on the Huber unit.
If you need additional assistance, please call technical support at +1 (206) 452-1130.
The diffusion pump is used to achieve deep vacuum pressures during the second pass, and a healthy system will reach 0.08 mbar (8.0 -2 on the gauge) with just the roughing pump, and around 0.005 mbar (5.0 -3 on the gauge) with the diffusion pump.
First, verify that the system can reach 0.08 mbar with just the roughing pump, and if not, troubleshoot for vacuum leaks or roughing pump performance by following SOP-Vacuum Troubleshooting.
If the system can reach 0.08 mbar with just the roughing pump, typically a malfunctioning diffusion pump simply needs to be cleaned and refilled with fresh diffusion pump oil.
More information can be found in SOP – Diffusion Clean and SOP – Vacuum Troubleshooting.
If you need additional assistance, please call technical support at +1 (206) 452-1130.
Why am I having trouble obtaining (or reaching) the proper vacuum level?
Vacuum depth issues can be caused by many things, but a healthy system should be able to reach 0.08 mbar (8.0 -2 on the gauge) with just the roughing pump, and around 0.005 mbar (5.0 -3 on the gauge) with the diffusion pump.
If you are having difficulty reaching 0.08 mbar, first ensure the siphon discharge plugs are greased with product and properly installed.
You might also ensure the check valve is not leaking by:
- removing the check valve
- installing the largest stopper on the inlet of the machine
- then checking to see if this fixed the vacuum issue
If the above steps did not fix your issue, you should also verify your roughing pump performance by installing the vacuum gauge directly to the vacuum pump, as it should be able to reach the mid -3’s. If it does not, you should:
- run the pump with the gas ballast open for 20 minutes
- then change the oil
- repeat these steps until it reaches the appropriate depth
More information can be found in SOP – Vacuum Troubleshooting.
If you need additional assistance, please call technical support at +1 (206) 452-1130.
