Error Messages; E1 - Hardware Lockup; E2 - Hardware Lockup; E12 - Transfer Reed Closed During Start-Up - Cebora PLASMA PROF 162 Service Manual

CEBORA S.p.A.

3.4 - Error messages.

E1 - Hardware lockup.

E2 - Hardware lockup.

Power source lockup due to software error. Replace control board (62).

E12 - Transfer reed closed during start-up.

REED TEST.
Power source powered, board (62), connector J8, terminals 1 – 2 = 35 VDC.
q
♦ Check the wiring between connector J8 on board (62) and reed (14).
♦ Check reed contact (14): if closed, replace reed (14).
♦ Check 27 VAC on terminals 3 - 4 of J14 on board (62). If missing, see "AC
services power supply test", par. 3.3.5.; if present, replace board (62).
♦ Replace board (62).

E13 - Hazardous voltage on the torch.

VOLTAGE PRESENCE TEST AT IGBT OUTPUT.
Terminals 1 – 3 of IGBT (72) = > 200 VDC.
q
♦ Replace board (62).
IGBT TEST.
Power source off, IGBT (72), terminals 1 – 2 = 0 ohm. (short-circuit).
q
♦ Replace IGBT (72).
IGBT COMMAND TEST.
Turn on the power source with the connector J3 on driver board (9) disconnected from board
q
(9) = Error E13.
♦ Replace board (9).
♦ Replace board (62).
3.302.002
Correct?
YES
NO
Correct?
YES
NO
Correct?
NO
YES
Correct?
NO
YES
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03/08/00