Edwards EXS Series User Manual

Cause Pump has an internal leak.
Remedy Contact us.
Cause Sha-seals are defecve.
Remedy Contact us.
Fault Lubricant in the pump chamber
Cause Lubricant level is too high
Remedy Drain the lubricant down to the correct level.
Cause Lubricant is ejected from the system.
Remedy Check the system.
Cause Pump is not standing horizontally.
Remedy Place the pump correctly.
Cause Pump has a gas leak towards the outside.
Remedy Run a leak search and pinpoint leaks. If the leak is not at the oil‐
ll or oil-dr
ain
plugs, return the pump to the service.
Cause Pump has an internal leak.
Remedy Contact us.
Cause Sha-seals ar
e
defecve.
Remedy Contact us.
Fault Pump does not aain its pumping speed
Cause Pump speed(frequency) is set wrongly.
Remedy Correct the pump speed, see T
able: St
art, warm-up and on-process sequences.
Cause Intake screen is clogged.
Remedy Clean intake screen.
Cause Motor incorrectly connected.
Remedy Connect motor correctly.
Cause Motor stator de
f
ecve.
Remedy Contact us.
Cause Motor rotor def
ecve.
Remedy Contact us.
Cause Vacuum pump system has a gas leak.
Remedy Detect leak and seal it.
Cause Rotor gap is too great.
Remedy Contact us.
07/2021 - ©Edwards Limited
Page 64A41870880_A
A41870880_A - Fault nding

Edwards EXS Series Specifications

General

Brand	Edwards
Model	EXS Series
Category	Water Pump
Language	English