Edwards nXDS Series User Manual

© Edwards Limited 2017. All rights reserved. Page 33
Edwards and the Edwards logo are trademarks of Edwards Limited.
Maintenance
A735-01-880 Issue C
 The pump is outside the specified range of operating conditions.
 The tip seals need replacing.
 The pump is in standby mode.
5.11.3 The pump has poor ultimate vacuum
If the pump exhibits poor ultimate vacuum, refer to Figure 13.
Figure 13 - Poor ultimate vacuum flow chart
5.11.4 The pump is noisy
If the pump is noisy, refer to Figure 14.
5.11.5 The pump surface temperature is high
 The ambient temperature is too high.
 The cooling fan is not running.
 The process gas is too hot or the maximum continuous operating pressure has been exceeded.

Edwards nXDS Series Specifications

General

Brand	Edwards
Model	nXDS Series
Category	Water Pump
Language	English