Hypertherm HD3070 Plasma Arc Cutting System w/ Automatic Gas Console - Manual (Page 141)

5-16 HD3070 with Automatic Gas Console Instruction Manual
16
MAINTENANCE
Problem Possible Causes / Solutions
3. EXT INTERLOCK LED
extinguished:
3.1. External interlock supplied for customer use.
If not used, customer must jumper out signal at CNC
machine.
4. GAS SYSTEM LED
extinguished:
4.1. Gas system malfunction.
This LED will light when the gas system has power applied
and is operating correctly. This malfunction is not an indication
that the gas inlet pressure is out of limits.
• Using the wiring diagrams (in back of this manual), check
pins, connectors and wiring associated with cables between
1X3 on power supply and 3X2 on gas console and 1X4 on
power supply and 3X1 on gas console.
• Check PCB control board 1XPCB3.
• Check PCB control board A1 in gas console.
Repair and/or replace defective component(s), if necessary.
RHF INTERLOCK
OVER TEMP
EXT INTERLOCK
GAS SYSTEM
GAS PRESSURE
COOLANT TEMP
COOLANT FLOW
STATUS
3070STAT.03
RHF INTERLOCK
OVER TEMP
EXT INTERLOCK
GAS SYSTEM
GAS PRESSURE
COOLANT TEMP
COOLANT FLOW
STATUS
3070STAT.04