Troubleshooting; Motor Temperature Above Normal; Element Outlet Or Air Outlet Temperature Above Normal; Compressor Air Output Or Pressure Below Normal - Atlas Copco GA18 VSD Instruction Book

6 PROBLEM SOLVING

4-Fig. 1.5) and wait for at least 30 seconds (time needed
for the compressor to depressurize) before starting any
mechanical repairs. Wait at least 6 minutes before
starting any electrical repairs as hazardous high voltage
remains on the condensers of the start and speed
regulation unit for 6 minutes after switching off the
voltage.
Mechanical faults and suggested remedies (Fig. 1.2)
1 Condensate is not discharged from moisture trap
during operation

2 Compressor air output or pressure below normal

Footnote chapter 6
1) A warning message will appear on display (12-Fig. 1.7).
2920 1454 00
Open manual drain valves (1 and
3 Safety valve (SV) blows
4 Element outlet 1) or air outlet temperature above
normal

5 Motor temperature above normal