Hypertherm HD3070 Plasma Arc Cutting System w/ Automatic Gas Console - Manual (Page 149)

5-24 HD3070 with Automatic Gas Console Instruction Manual
16
MAINTENANCE
COOLANT TEMP LED not lit.
Allow for recommended
clearance for
proper air flow.
Replace heat exchanger/
fan assembly.
Replace TS2.
Check TS2 wiring
and receptacle
connections
Yes
Yes
Yes
No
No
No
Is
heat exchanger
HX1 air intake blocked ?
Fig 6-10 (5)
Are heat exchanger
fans defective ?
Fig 6-10 (5)
Is coolant
temperature switch
TS2 defective ?
Fig 6-10 (10)