Converter Fault Codes; Faults - Atlas Copco DWS VSD+ Instruction Manual

Fault finding
Cause Motor incorrectly connected.
Remedy Connect motor correctly.
Cause Motor stator defective.
Remedy Contact us.
Cause Motor rotor defective.
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.
Cause Bearing defective.
Remedy Contact us.
9.1.

Converter fault codes

If the converter detects the problem, a specific code (Main motor converter
alarm) and the fault code is shown on the controller display.
Refer to
appears, contact us.
9.2.

Faults

The figure that follows shows the typical display of the pump stopped by a
shutdown.
1. 1.
Shutdown Shutdown
Use the Scroll keys to move the cursor to the Stop icon or the Protections icon
and push the Enter key.
1950840208_A
Table: Fault codes for the important fault codes. If another code
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