Gas Flows From The Torch, The Pilot Arc Does Not Light; Transfer Arc Does Not Take Place Or Is Too Weak For Cutting - Elettro CF PLASMA 36 Service Manual

ELETTRO CF s.r.l.
3.3.6 –Gas flows from the torch, but the pilot arc does not light.
Pressing the torch button, the pilot arc lights

 Check the conditions of torch consumables. If showing signs of wear, replace.
 Check wiring between terminals 3 of J16 and torch (16).
 Check the working conditions of pilot arc relay K2 on the power board (8).
 Replace power board (8).
 Regular operation
3.3.7 – Transfer arc does not take place or is too weak for cutting.
TRANSFER ARC SWITCHING TEST
Make sure that with the torch close to the workpiece and the pilot arc lit, the reed relay contact L3

on power board (8) closes.
 Check the working conditions of relay K3 on power board (8).
 Make sure that the earth cable (27) is connected to the workpiece.
 Check the wiring between the earth cable (27) and the connector J17 on power
board (8).
 Check the wiring between the torch (16) and the connector J18 on power board
(8).
 Replace the power board (8).
 Replace the power board (8)
YES Correct?
NO
NO Correct?
YES
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01/11/16