Hypertherm HD3070 Plasma Arc Cutting System w/ Automatic Gas Console - Manual (Page 180)

HD3070 with Automatic Gas Console Instruction Manual 5-55
16
MAINTENANCE
GS ERR=8
MOTOR VALVE 4 ERROR
Informs operator that motor valve 4 (MV4)
did not move when commanded.
To clear this error, power
down plasma system &
then reapply power.
Error corrected. Replace MV4. Fig 6-13 No
No
Yes
Does MV4 error return
after reinitializing
plasma system ?
Does MV4 error return
after replacing MV4 &
reinitializing plasma
system ?
Yes
Does MV4 error return
after replacing control PCB
A1 & reinitializing plasma
system ?
Replace gas console
relay PCB A2.
Fig 6-12 (16)
Replace gas console
relay PCB A1.
Fig 6-12 (8)
Yes
Does MV4 error return
after replacing relay PCB A2
& reinitializing plasma
system ?
Contact Hypertherm
technical service.
Yes
No
No