Cause
Gas temperature is too high.
Remedy
Check system.
Cause
Clearance between housing and rotors are too small due to
contamination.
Remedy
Clean pumping chamber.
Cause
Clearance between housing and rotors are too small due to distortion of
the pump.
Remedy
Affix and connect the pump free of tension.
Cause
Friction resistance is too high due to contaminated bearings and/or
contaminated lubricant.
Remedy
Clean pump, respectively do the maintenance.
Cause
Lubricant level is too high.
Remedy
Drain lubricant down to the correct level.
Cause
Lubricant level is too low.
Remedy
Top up lubricant to the correct level.
Cause
Wrong lubricant filled in.
Remedy
Contact us.
Cause
Bearing is defective.
Remedy
Contact us.
Cause
Bearing damage.
Remedy
Repair pump.
Cause
Thick particle deposits.
Remedy
Clean pump, respectively do the maintenance.
Fault
Motor power consumption is too high
Cause
Cause Like "Pump gets too hot".
Remedy
See
on page 112.
Cause
Incorrect mains voltage for the motor.
Remedy
Connect the motor to the correct mains voltage.
Cause
Exhaust is blocked or restricted.
Remedy
Clean the exhaust pipe.
07/2021 - ©Atlas Copco
Page 113
1950840208_A
Fault finding
Содержание DWS 450 VSD+
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