Service manual

CEBORA S.p.A. 9
♦ 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.
Correct?
 Fast-on terminals fan (16) = 230 Vac approximately, with switch (6) closed.
NO
YES
♦ 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.
Correct?
 Panel board (26), all leds lit for 1 second, after the switch (6) is closed.
YES
NO
♦ 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.
Correct?
 Upon start-up, after the lamp-test, yellow led (G) = lit.
NO
YES
♦ 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 12/01/06