Power Source Powered, Control Panel On, Fan (15) Stopped; Power Source Powered, The Indicators Show No Correct Values - Cebora POWER PLASMA 3100 Service Manual

CEBORA S.p.A.

3.3.2 - Power source powered, control panel on, fan (15) stopped.

FAN (15) TEST.
Fan (15) fast-on terminals = 115 Vac (with mains 115 Vac) or 230 Vac (with mains 230 Vac)
q
in the first 3 seconds after closing the switch (9), thus during the mains voltage selection
phase; thereafter 230 Vac with both voltages.
♦ Make sure there are no mechanical obstacles blocking the fan (15).
♦ Replace the fan (15).
♦ Check the wiring between the fan (15), "FAN" terminals on power board (35), and patch
connector inserted in the wiring.
♦ Perform the MAINS VOLTAGE RECOGNITION TEST in par. 3.3.1. If the result is positive,
replace the power board (35). If the result is negative, also perform the PANEL BOARD (31)
POWER SUPPLY TEST in par. 3.3.1.
♦ Replace the power (35) and/or panel (31) boards.

3.3.3 - Power source powered, the indicators show no correct values.

MAINS VOLTAGE SELECTION AND ALARM SIGNALS TEST.
Upon start-up, green (D) and red (N) leds = lit; leds (G) and (L) = off; led (O) lit or off
q
depending on its status before the last shutdown. All in the first 3 seconds after closing the
switch (9) (mains voltage selection phase). Thereafter led (N) = off.
♦ See Alarm signals, par. 3.4.
♦ Check the wiring between J1 power board (35) and J1 panel board (31).
♦ Check the power source power supply (see par. 3.3.1).
♦ Replace the power (35) and/or panel (31) boards.
SELF-RESTART PILOT SELECTION TEST.
With power source powered, after selection of the mains voltage (3 seconds after closing the
q
switch (9)), pressing button (P) will cause the led (O) to light and shut off in sequence,
indicating the activation and deactivation of the " Self restart pilot " function.
♦ See PANEL BOARD (31) POWER SUPPLY TEST, par. 3.3.1.
♦ Replace panel board (31).
♦ Correct operation.
3.302.089
Correct?
NO
Correct?
YES
Correct?
YES
YES
NO
NO
11
31/05/02