Hypertherm HD3070 Plasma Arc Cutting System w/ Automatic Gas Console - Manual (Page 147)

5-22 HD3070 with Automatic Gas Console Instruction Manual
16
MAINTENANCE
GAS SYSTEM LED not lit.
Install or
replace
microcomputer
Fig 6-12 (8)
Replace Gas
Console Control
PCB A1.
Fig 6-12 (8)
Replace or
connect cable.
Yes
Yes
Yes
Yes
No
No
No
No
Is Gas System Ok
LED D11 on Gas Console
Control PCB A1 lit. ?
Fig 5-8
Are
+5 VDC LED D3,
+12 VDC LED D22 &
-12 VDC LED D23,
on PCB A1 lit ?
Fig 5-8
Is Gas Console
microcomputer (042170)
defective or not installed
?
Fig 6-12
Is PS/gas console control
cable
defective or not connected ?
Fig 3-17 or 3-18