Power Source Powered, Control Panel On, Fan (24) Stopped - Cebora SOUND MIG 2035/M Pulse Service Manual

CEBORA S.p.A.

3.3.2 - Power source powered, control panel on, fan (24) stopped.

FAN (24) TEST.
Power board (26), connector J2, terminals 1(-) – 2(+) = +27 Vdc.
♦ Check the wiring between fan (24) and connector J2 on power board (26).
♦ Make sure that there are no mechanical impediments blocking the fan.
♦ Replace the fan (24).
FAN (24) COMMAND TEST.
Control board (27), connector J11, terminals 7(+) – 8(-) = +27 Vdc.
♦ Check the wiring between J11 control board (27) and J3 power board (26).
♦ Replace the power board (26).
♦ With the power source off, temporarily disconnect the connector J11 on control board (27)
and check the resistance between terminals 7 and 8 on the patch connector left free by J11. If
short-circuited, replace power board (26) or fan (24) as well as the control board (27).
♦ Replace the control board (27).
3.302.161
Correct?
NO
Correct?
NO
YES
YES
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24/03/2004