Hypertherm HD3070 Plasma Arc Cutting System w/ Automatic Gas Console - Manual (Page 176)

HD3070 with Automatic Gas Console Instruction Manual 5-51
16
MAINTENANCE
GS ERR=4
HIGH SHIELD GAS ERROR
Informs operator that shield gas inlet
pressure is above 135 psi. Shield gas
inlet pressure is indicated on LCD
display Figure 5-3.1
Contact Hypertherm
technical service.
Reduce pressure of
gas supply.
Yes
No
Is shield gas inlet
pressure high ?