Nordson EFD BlueCure FL, Operating Manual

Page: 19 / 22

19
10 Troubleshooting
Symptom Component Potential Cause and Remedy
The lamp does
not emit any
light Power supply - Check whether all cables are connected to the power
supply properly
- For this, follow the respective instructions of the power
supply manufacturer
- Check whether the power supply is plugged in
- Check whether the voltage from the power supply to the
source of radiation is +48 V DC
Temperature fault If the lamp displayed a temperature fault, no light will be
emitted until the lamp has reached a safe operating
temperature. (see also: Water-cooling below)
SPS control See 5.1 ‘SPS Connection’ for troubleshooting the interface
DB15. It is possible to test-run the lamp without SPS. Turn
on the lamp with full intensity with the following bridges to
the DB15 interface:
- Turn on the lamp with a low signal: Bridge between pin 4
and pin 10
- Emergency shut-off functionality: Bridge between pin 7 and
grounding pin 14
- Lamp output: Bridge between pin 2 and pin 6
SLM error - Check the wiring of the DB15 connection; see 5.1 ‘SPS
Connection’ for this.
- If the outlet pin 11 from the DB15 is applied to the ground
(0 to +0.4 V DC), then it is possible that an internal fuse
was set off. For further information, contact Nordson EFD.
Temperature
increase of the
lamp by more
than 15°C Water-cooling - Check for the proper coolant through-flow
- Check the coolant temperature at the coolant inlet of the
lamp (m20 °C)
- If the lamp briefly (< 5 minutes) displayed a temperature
fault, check whether the temperature of the lamp is less
than +40 °C. To determine the internal temperature of the
lamp, you will need a voltmeter. Measure on pin 15
against the ground (+2 V = +20 °C).
Film on the
inside of the
glass window
of the lamp Water-cooling Check the environmental conditions of the light source for
potential signs of condensation. The film could be formed by
the collection of condensation on the inside of the lamp.