Power Source Powered, The Start Button Produces No Effect (Temperature Check) - Cebora SPOT 3500 Service Manual

CEBORA S.p.A.

3.3.2 - Power source powered, the start button produces no effect (temperature check).

GUN THERMOSTAT TEST.
Control board (27), connector CN1, terminals 2 (+) and 4 (-) = 0 Vdc, contact closed, led (4)
q
off, with appropriate temperature (approximately +17 Vdc, contact open, led (4) lit, with
temperature beyond limits, or connector (10) disconnected).
♦ Check the wiring between terminals 2 - 4 of CN1 on control board (27), connector
(10) and gun thermostat.
♦ Check the conditions and operation of the gun thermostat and the connector (10).
If defective, replace.
♦ See CONTROL BOARD (27) POWER SUPPLY TEST and SERVICES POWER
SUPPLY TEST, par. 3.3.1.
♦ Replace control board (27).
START COMMAND TEST.
Control board (27), connector CN1, terminals 2 (+) and 1 (-) = 0 Vdc, with start button
q
pressed (approximately +17 Vdc with button released or connector (10) disconnected).
♦ Check the wiring between terminals 1 - 2 of CN1 on control board (27), connector
(10) and the gun button.
♦ Check the conditions and operation of the gun button and the connector (10). If
defective, replace.
♦ See CONTROL BOARD (27) POWER SUPPLY TEST and SERVICES POWER
SUPPLY TEST, par. 3.3.1.
♦ Replace control board (27).
♦ Replace control board (27).
3.302.047
Correct?
YES
NO
Correct?
YES
NO
10
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