Cebora TRI STAR MIG 1635/M, Руководство по обслуживанию

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CEBORA S.p.A.
10
♦
Check the wiring between J3 and J7 on control board (29) and J4 power board
(32).
♦
With the power source off, temporarily disconnect the connector J7 on control
board (29) and check the resistance between terminals 3 - 4 of J7 on control board
(29). Corrected value = >Mohm in both measure sense. If short-circuited, replace
control (29) and power (32) boards.
♦
Replace power (32) and control (29) boards.
♦
Replace the control board (29).
3.3.2 - Power source powered, control panel on, fans (27) stopped.
FANS (27) TEST.
Correct?
‰
Power board (32), connectors J2 and J3, terminals 1(+) - 2(-) = +13 Vdc for the first 5 seconds
approximately (start-up phase); succes25 Vdc.
NO
YES
♦
Check the wiring between fans (27) and connectors J2 and J3 on power board
(32).
♦
Make sure that there are no mechanical impediments blocking the fans.
♦
Replace the fans (27).
♦
Replace the control board (29).
3.3.3 - Power source powered, display and signals does not indicate the correct values.
ERROR CODE TEST.
Correct?
‰
Upon start-up, after the lamp-test, display (M) shows “Err” and display (N) a number, to
indicate an error code.
NO
YES
♦
See Error codes and alarm signals, par. 3.4.
INDICATORS TEST.
‰
Upon start-up, after the lamp-test, display (M) indicates the Cebora article number (i.e.:
“283”).
‰
After one second, display (M) indicates the version of the programs related to synergic curves
(i.e.: “H01”, H = synergic programs table (short), 01 = programs version); display (N)
indicates the version of the “firmware 283 Cebora”.
‰
After one second, displays (M and (N) indicate the process setup as they were set before the
last time the unit was shut off.
‰
After two seconds, display (M) indicates the programmed welding current and display (N) the
programmed or actual output voltage.
‰
With the button (V) and knobs (I) and (L) the set-up functions parameters and “Service
Functions” adjustments are possible (see Instructions Manual).
3.302.233 22/09/2008