Edwards EXS Series User Manual

8. Fault nding
Table 21 Fault nding
Condion
Pump does not start up on page 61
Pump gets too hot on page 61
Motor power consumpon is too high on page 62
Pump is too loud on page 62
Pump is losing lubricant on page 63
Oil gets too dark on page 63
Lubricant in the pump chamber on page 64
Pump does not aain its pumping speed on page 64
Fault Pump does not start up
Cause Motor incorrectly connected.
Remedy Connect motor correctly.
Cause Overtemperature switch or motor stator de
f
ecve.
Remedy Contact us.
Cause Motor rotor def
ecve.
Remedy Contact us.
Cause Pump has seized
‐ def
ecve rotors, bearings or toothed gears
‐ pump restarted when it is sll hot.
Remedy Wait for 60 minutes and restart the pump again. If the pump does not start, contact
us.
Fault Pump gets too hot
Cause Cooling water supply is not sucient.
R
emedy Make sure that the cooling water supply is sucient.
Cause Cooling water lines are clogged.
Remedy Decalcify cooling water lines.
Cause Ambient temperature is too high or cooling air o
w
is obstructed.
Remedy Install the pump at a suitable place or ensure a sucient ow of cooling air.
Cause Pump is operang in the wr
ong pressure range.
Remedy Check the pressure levels within the system.
Cause Gas temperature is too high.
Remedy Check system.
07/2021 - ©Edwards Limited
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A41870880_A - Fault nding

Edwards EXS Series Specifications

General

Brand	Edwards
Model	EXS Series
Category	Water Pump
Language	English