Siemens MICROMASTER 420 Error A0922: No load applied to inverter

Siemens MICROMASTER 420 inverter · taken from the manufacturer’s manual, pages cited

Warning codeA0922

The inverter has detected no load applied to it. The manual's first action is: “1. Check that load is applied to the inverter 2. Check motor parameters correspond to motor attached 3. As a result, some functions may not work correctly, because there is no normal load condition”

Model
Siemens MICROMASTER 420
Display shows
No load applied to inverter (A0922)
Type
Warning code
Source
Manual p. 73

What A0922 means

No load applied to inverter p. 73

Common causes

  • No Load is applied to the inverter As a result, some functions may not work as under normal load conditions Low output voltage eg when 0 boost applied at 0 Hz p. 73

Safety warnings — read before you start

  • DANGERDANGER. indicates an immiently hazardous situation which, if not avoided, will result in death or serious injury. p. 6

What to do

  1. 1. Check that load is applied to the inverter 2. Check motor parameters correspond to motor attached 3. As a result, some functions may not work correctly, because there is no normal load condition p. 73

If A0922 is still not resolved

The manual gives no further instruction for this code. Open the code table in the PDF or contact Siemens service.

Open the manual at page 73 All MICROMASTER 420 error codes Manual details & download

This page summarises what the manufacturer’s manual says about A0922; each statement links to the page it comes from, and quoted lines are copied word for word. It is not a substitute for the manual or for a qualified installer. ManualLib is not affiliated with Siemens. Found a mistake? Report an error.