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VDL (E3.1) 10/2020 Page 31/196
• Excessively high gas intake temperature or insufficient cooling of the extracted vapor before entering
the vacuum pump
• Contact with live parts in normal state
• Operation without supervision
Cleaning and Decontamination
• Explosive atmosphere during cleaning and decontamination
• Electrostatic charges
• Penetration of water into the chamber
• Inappropriate cleaning and decontamination agents
• Enclosure of persons in the interior
Malfunction and Damage
• Continued operation of the chamber during an obvious malfunction or outage of the heater or vacuum
system
• Contact with live parts during error status
• Operation of a unit with damaged power cord
Maintenance
• Maintenance work on live parts.
• Explosive atmosphere during maintenance
• Execution of maintenance work by untrained/insufficiently qualified personnel
• Electrical safety analysis during annual maintenance not performed
• Verification of explosion protection during annual maintenance not performed
• Incorrect and incomplete grounding before recommissioning
Trouble-shooting and Repairs
• Non-observance of warning messages in the Service Manual
• Trouble-shooting of live parts without specified safety measures
• Absence of a plausibility check to rule out erroneous inscription of electrical components
• Performance of repair work by untrained/insufficiently qualified personnel
• Inappropriate repairs which do not meet the quality standard specified by BINDER
• Use of replacement parts other than BINDER original replacement parts
• Electrical safety analysis not performed after repairs
• Verification of explosion protection not performed after repairs
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