Fans (26) Off; The Control Panel Does Not Indicate Correct Values - Cebora SYNSTAR 270 T Manual De Reparaciones

3�3�2 Fans (26) off�
FANS (26) TEST
□ Power board (56), connector FAN_CTR, terminals 1(+) - 2(-) = +24 VDC approx., fans running, with switch (14) closed
and torch start (40) pressed.
Correct?
■ Check the power supply voltages of power board (56), in particular the +24 VDC voltage, by performing the POWER
SUPPLY TEST in section 3.3.1., if necessary.
■ Replace power board (56) and/or fans (26).
3�3�3

The control panel does not indicate correct values

SELF TEST
□ When the machine is turned on, display control panel (1) shows the general information page:
− power source item number;
− power source serial number;
EN
− power source firmware version;
− firmware development date;
− synergic curves version;
− options linked to the power source.
□ After 3 s, display (1) shows the main menu page:
− synergic curve set;
− welding current (A) and recommended thickness expressed in millimetres;
− arc voltage (V) and wire speed in metres per minute.
34
YES
NO
♦
Check wiring between fan (26) and FAN_CTR connector
of power board (56).
♦
Make sure that there are no mechanical impediments
blocking the fans.
♦
Replace fan (26).
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