Vacuum system SC820G / SC840G
Translation of Originial Operating Instruction, KNF 339416-339418 02/23
Fault cannot be rectified
If you are unable to identify any of the specified causes, send
the vacuum system to KNF Customer Service (contact data:
see www.knf.com).
1. Flush the vacuum system with air for a few minutes (if
necessary for safety reasons: with inert gas) at atmo-
spheric pressure to free the pump head of dangerous or
aggressive gases (see Chapter 10.2.1 Flush vacuum sys-
tem [} 75]).
2. Clean the vacuum system (see Chapter 10.2.2 Clean vac-
uum system [} 76]).
3. Send the vacuum system together with completed Health
and Safety Clearance and Decontamination Form to KNF,
specifying the pumped medium.
Troubleshooting
DE
EN
FR
ES
IT
99