Publicidad
Idiomas disponibles
Idiomas disponibles
unit guard open.
This alarm indicates that the safety cover of the wire feed
unit is open.
− Check the wiring between J10 panel board (47) and
switch (07) on wire feed unit guard;
− check the voltage on J10 of panel board (47), terminals
1(+) – 2(-) = 0 Vdc = guard closed, correct condition;
+9 Vdc approximately = guard open, alarm (see Con-
nectors map, par. 5.7);
− make sure the switch (07) and the unit guard are prop-
erly mounted. If incorrectly positioned, correct the po-
sition; replace if defective.
3.4.20 -99- "POWER OFF" on display (1). Incorrect
mains voltage (machine shutdown).
This signal can be introduced in case of short lack of the
mains voltage, during which the control circuits remain
powered for some moments and detect the mains voltage
not corrected.
In particular the power board (56) detects the lack of the
mains voltage, communicates it to the panel board (47)
("MAINS" signal) that commands the power source stop
and the signalling "POWER OFF" on display (1).
The "MAINS" signal may be tested on :
− Pin7 of U1 and terminal J7-B (-),on power board (56).
Possible values:
− <+0,1 Vdc = mains suitable;
− +5 Vdc
= mains not suitable, error 99.
Perform the tests in par. 3.3.1 and, if necessary, replace
power (56) and/or panel (47) boards.
3302339/A
EN
33
Publicidad
