Cebora PLASMA PROF 162 - 3.4 Error Messages

CEBORA S.p.A. 22
3.302.002 03/08/00
Correct?
Correct?
Correct?
Correct?
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.
q Power source powered, board (62), connector J8, terminals 1 – 2 = 35 VDC.
YES
NO
♦ 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.
q Terminals 1 – 3 of IGBT (72) = > 200 VDC.
YES
NO
♦ Replace board (62).
IGBT TEST.
q Power source off, IGBT (72), terminals 1 – 2 = 0 ohm. (short-circuit).
NO
YES
♦ Replace IGBT (72).
IGBT COMMAND TEST.
q Turn on the power source with the connector J3 on driver board (9) disconnected from board
(9) = Error E13.
NO
YES
♦ Replace board (9).
♦ Replace board (62).