Cebora PLASMA PROF 123 ACC Service Manual page 25

Power source

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CEBORA S.p.A.

♦ Replace the control (47) and/or power board (56).

♦ Make sure that the gas lines of Power Source are not clogged and, if necessary, perform the

PLASMA GAS PRESSURE TEST of par. 3.3.9..

♦ Check for the correct opening of solenoid valve V03 (13)(27 Vac on coil terminals) in cutting

operation.

♦ Check for torch condition, wear conditions of electrode, diffusers and nozzle.

♦ Check the wiring between terminals TP6 of power board (56), choke (35), HF transformer

(50) and electrode terminal on central adapter (41). If you find loose connections, tighten and

replace any damaged components.

♦ Check the wiring between J1 of power board (56), nozzle resistor (33), contactor (55),

terminal J4 on sensor board (52) and between terminal J2 on sensor board (52) and nozzle

terminal on central adapter (41). If you find loose connections, tighten and replace any

damaged components.

3.302.269

Correct?

YES

12/04/2012

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