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: MKS recommends against unauthorized modifications. Critical components like plasma blocks and electronic circuit boards (Power, Control, Ignition) should be serviced via the MKS Refurbishment Program . Purchasing and Availability
If the unit completely fails to power on and the power switch does not light up, check the primary AC fuse located on the rear panel or inside an inline fuse holder.
The Astron 2L comes partially assembled, but the gantry requires attention.
The ASTRON 2L functions as a low-field toroidal RF plasma source MKS Instruments
According to the technical manual, setup follows these specific steps: 1. Plumbing Connections Connect ultra-high purity (UHP) Oxygen. Gas Outlet: Use stainless steel compression fittings.