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Nordson Spectrum II Series User Manual

Nordson Spectrum II Series
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Troubleshooting 7-5
7.4.5 Dispense Head Controller Connections and Functions
Table 7-5 Dispensing Head Troubleshooting
Symptom Possible Cause Recovery
Dispense Head
Controller fails to initialize
during Fluidmove startup
CAN terminator not present. Verify presence of CAN terminator.
Corrupt firmware or incorrect revision.
CAN firmware may need to be flashed to the
correct or latest firmware. Contact Nordson
ASYMTEK Technical Support.
Failed Dispense Head Controller.
Verify DHC power indicator LED’s for 3.3V,
-12V, and 12V are illuminated.
A fuse on the PDHC may have blown.
If power indicator lights on PDHC are not
illuminated, replace fuse. See 8.13 Replacing
Fuses.
Dispenses at wrong
Z-Axis position
Height sensor has been adjusted or is
loose.
Adjust height sensor and tighten locking screw.
See 5.10 Adjusting the Height Sensor Probe
(Option).
Nozzle/needle has been changed.
Perform a “Valve Offsets” or “Calculate Master
Offsets” routine in Fluidmove. For assistance,
refer to the Fluidmove User Guide or Online
Help.
No fluid dispensing
Valve setup incorrect.
Verify the valve type set in Fluidmove matches
the dispensing valve, and that the valve is
plugged into the pump connector on the
Dispense Head.
Valve Fatal Following Error (FFE).
1. Ensure valve does not have cured material
inside of it.
2. Exit Fluidmove, cycle power to the machine,
and retry.
3. PID parameters are not correct. Contact
Nordson ASYMTEK Technical support for
correct PID parameters for the particular
pump being used (applicable to the DV-
7000, DV-8000, and DP-2000 only).
Z-Axis Noise
Z counterbalance springs are not set
up correctly.
With the door open, manually lower the valve
about 25 mm (1 in). When you let go of the
valve, it should neither rise nor fall. If it does,
you will need to adjust the Z counterbalance.
See 5.9 Adjusting the Z-Head Counterbalance
Force.
Wrong tuning file is loaded into the
machine.
The tuning values are set at the factory
according to the system configuration (single
valve vs. dual valve set up). To change tuning
files, consult the factory.

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Nordson Spectrum II Series Specifications

General IconGeneral
BrandNordson
ModelSpectrum II Series
CategoryDispenser
LanguageEnglish

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