Power Source Powered, Display And - Cebora PLASMA PROF 123 ACC Service Manual

CEBORA S.p.A.
♦ Replace contactor (2) and/or pre-charge (3) and/or control (47) boards.
♦ Check correct positioning of power voltage changer.
♦ Check for the presence of the three phases of supply voltage on transformer (37) primary
circuit, at the contactor (2) output. If not correct check the mains voltage conditions
performing, if necessary, the MAINS SUITABILITY TEST and MAINS CONNECTION
TEST of par. 3.3.1.
3.3.3 - Power Source powered, display and signalling do not show the correct values.
LAMP-TEST.
At start-up, on operator panel, displays and leds are all lit (lamp-test). After one second,
display (U) reads "956" and display (V) shows the installed firmware version (e.g. 01).
♦ Check the supply voltages of control board (47) performing, if necessary, the
SUPPLY BOARD (51) POWER SUPPLY TEST and CONTROL BOARD (47)
POWER SUPPLY TEST, of par. 3.3.1.
♦ Make sure that the correct program is loaded in control board (47), performing the
programming procedure "Firmware updating" available on the Cebora Web site,
if necessary (on art. 956 Power Source, the Firmware update is possible by
connecting a Personal Computer directly to the BD1 connector on control board
(47)).
♦ Replace control board (47).
ERROR CODE TEST.
At start-up, after start-up phase, display (U) and (V) show an alarm condition.
♦ See Error codes and alarm signals, par. 3.4.
COMMANDS AND SIGNALS TEST.
At power on, after start-up phase, on operator panel all passages related to "Operation" and
"Mode" selections can be carried out using panel commands, as described in par. 3.2 and in
Plasma PROF 123 ACC Instruction Manual.
♦ Check the supply voltages of control board (47) performing, if necessary, the
SUPPLY BOARD (51) POWER SUPPLY TEST and CONTROL BOARD (47)
POWER SUPPLY TEST, of par. 3.3.1.
♦ Replace control board (47).
♦ Regular operation.
3.302.269
Correct?
YES
Correct?
NO
Correct?
YES
NO
YES
NO
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12/04/2012