Eurocode Digi50 Controller V1.03 04/07/2005 Page - 25 -
(for wiring connections see pages 12, 14 & 15)
If no LED's are on, check the mains supply and the fuses on the PCB.
Digi50 Alarm System Faults
out. Re-align the sensor
If yes, and the foil has run
Cover sensor, a red LED
should come on. (sensor)
The foil sensor is on.
The green LED is on.
Change Foil.
Foil has run out
Foil Sensor LED on
(If foil sensor fitted)
Open the type holder door.
be affected. Replace or repair.
circuit, the foil run out would
in the printer. If the blue is open
the printer, then the blue & blue in
"D1" & "D2". Check for open circuit
between the mauve & orange in
Disconnect the wiring from terminals
Remove rear cover of the Digi50.
Switch off main supply off.
Switch off main supply off.
Remove rear cover of the printer.
Replace if not working.
make and break.
Check that door switch contacts
switch position.
LED switch off, adjust the
actuator. If the alarm and
pen, press the switch
With a back of a ball point
YES
YES
Type Door
LED on
ALARM SOUNDS CONTINUALLY
LED on
Type Door
settings. (see page 10)
check dip switch
If no switch is fitted
Check wiring of switch.
presssure switch.
Check Air Pressure.
Check calibration of
YES
YES
YES
NO
Low Air
LED on
YES
the door sensor. Remove foil to
YES
YES
(If foil sensor fitted)
Foil LED off, & foil run out.
Remove the rear cover of the
Digi50 controller. The voltage across
"D1" (- brown) & "F2" (+ pink) should
be 24 volts dc. If less than 18 volts
then change the main Digi50 PCB.
Cover the foil sensor, then measure
voltage across "D1 (- brown) & "F1"
(+ black) if less then 18 volts dc,
off and the Thermistor LED comes
LED, the heater LED should go
from printer, to check the door.
Disconnect 9 pin "D" connector
Close door and replace foil.
(if the sensor is fitted)
check the sensor is working.
YES
NO
change the sensor.
NO
NO
YES
NO
on.
Open the type holder door to check
LED on
NO
LED on
YES
Thermistor
Possible LED failure.
NO
YES
NO
Heater
See Pages 24 & 26
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