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Service codes
displayed
(continued)
No function
Mains switch is ON, but indicators are not lit up
Cause: No connection to the mains
Remedy: Check mains lead, mains plug and mains cable
Cause: mains fuse is faulty
Remedy: Replace mains fuse
Cause Mains outlet socket or plug is faulty
Remedy: Replace faulty components
No pilot arc
Mains switch is on, digital displays are lit up
Cause: Short-circuit between tungsten electrode and plasma nozzle
Remedy: Readjust electrode with adjusting gauge
Cause: Plasma torch faulty
Remedy: Replace plasma torch
Troubleshooting
Err | 70.4
Cause: Control valve faulty
Remedy: Replace control valve
Err | 70.5
Cause: Control valve not found
Remedy: Check connections of the signal cable for the control valve
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