Nordson Spectrum II Series User Manual

Troubleshooting 7-3
7.4.2 System Accuracy
Table 7-2 System Accuracy
Symptom
Possible Cause
Recovery Procedures
Inaccurate dispensing
Loose camera lens.
Refocus the camera. See 5.5 Focusing the
Camera.
Bad offset routines.
Perform a Valve Offsets Routine. See 4.9 Valve
Offsets.
Camera needs to be calibrated.
Calibrate the camera. See 5.6 Calibrating the
Camera.
Cal Maps disabled. Enable Cal Maps. Contact a service technician.
Bent needle.
Replace the needle. Refer to the applicable valve
manual.
Bad height sensor. Contact Nordson ASYMTEK Technical Support.
Z-head not counterbalanced
properly.
Balance Z-head. See 5.9 Adjusting the Z-Head
Counterbalance Force.
Fiducials not found
Loose camera lens.
Refocus the camera. See 5.5 Focusing the
Camera.
Corrupted vision file.
Re-teach the vision targets or entire program as
necessary.
7.4.3 Fluidmove Startup
Table 7-3 Fluidmove Startup
Symptom
Possible Cause
Recovery
“The Dispenser ACLPlus
Device Failed to Respond”
message appears
Communications failure.
Verify COM port settings and serial communications
cables are attached. Restart computer and retry.
USB communications failure.
The USB hub may have failed or lost power. The
laptop PC communicates to system devices via the
USB hub. Check the USB connection and ensure
the USB hub is connected to its power source on
outlet AC4 from the Power Manager.
Main PWA NVRAM failure.
1. Replace battery and reinitialize Main PWA
memory.
2. Run escape sequences and reload machine
specific personalities. Refer to the system’s ACL
Recovery Disk.
Main PWA failure.
1. Check Main PWA’s “Heartbeat” to see if board is
functioning. Cycle power and retry.
2. Replace fuse. See 8.13 Replacing Fuses.
No dispensing head
motion
No system power. See System Power Troubleshooting (Table 7-1).
Interlock open. Restore Interlock. See 2.12.1 Interlock Recovery.
Home cable disconnected. Connect cable.
Dispensing head fails to
find home
Obstruction preventing machine
motion, and the servo system
goes open loop.
Remove obstruction.
Home switch failure.
Inspect and adjust home flag and retry. Replace
home switch if broken.

Nordson Spectrum II Series Specifications

General

Brand	Nordson
Model	Spectrum II Series
Category	Dispenser
Language	English