Chapter Five: Repair General Information
21
Chapter Five: Repair
General Information
If the 248 valve instrument fails to operate properly upon receipt, check for shipping damage,
and check the cables for proper continuity. Any damage should be reported to the carrier and
MKS Instruments immediately. If it is necessary to return the unit to MKS, obtain an RMA
number (Return Material Authorization Number) from a MKS Service Center before shipping.
Please refer to the inside back cover of this manual for a list of MKS Calibration and Service
Centers.
Warning
All returns to MKS Instruments must be free of harmful,
corrosive, radioactive, or toxic materials.
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