Power Source Powered, Fan (16) Stopped; Power Source Powered, Display And Signals Does Not Indicate The Correct Values - Cebora Power Tig 1540 DC-HF Service Manual

CEBORA S.p.A.
♦ Check the wiring between CN2 power board (29) and CN2 panel board (26).
♦ Disconnect temporarily, with power source off, connector CN2 on panel board
(26) and verify terminals 1 and 2 of CN2 on panel board (26) are not in short
circuit. If the case, replace panel board (26), and verify, powering the power
source with connector CN2 disconnected, the presence of 5 Vdc on terminals 1
and 2 of connector CN2 remained free. If lacking replace also power board (29).
♦ Replace panel (26) and or power (29) boards.

3.3.2 - Power source powered, fan (16) stopped.

FAN (16) TEST.
Fast-on terminals fan (16) = 230 Vac approximately, with switch (6) closed.
♦ Make sure that there are no mechanical impediments blocking the fan.
♦ Replace the fan (16).
♦ Check the wiring between the fan (16) and switch (6).
♦ Check the mains voltage conditions.
♦ Replace the switch (6).

3.3.3 - Power source powered, display and signals does not indicate the correct values.

LAMP-TEST.
Panel board (26), all leds lit for 1 second, after the switch (6) is closed.
♦ Check the wiring between the CN2 power board (29) and CN2 panel board (26).
♦ Check the power source supply, par. 3.3.1.
♦ Replace panel (26) and/or power (29) boards.
ERROR CODE TEST.
Upon start-up, after the lamp-test, yellow led (G) = lit.
♦ See par. 3.4, Error code.
♦ Check the power source supply, par. 3.3.1.
♦ Replace panel (26) and/or power (29) boards.
3.302.212
Correct?
NO
Correct?
YES
Correct?
NO
YES
NO
YES
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12/01/06