Nordson VersaBlue VA, Manual

Page: 190 / 272

Troubleshooting 6‐16
P/N 213828_11
2014 Nordson Corporation
VersaBlue_PPA
No Material (Motor does not Rotate)
Possible cause Possible fault / troubleshooting Corrective action
1. System not yet ready
for operation (heatup
phase) - Wait until the melter has heated up
and when appropriate until
System
ready delay time has expired ( System
ready appears in the status line).
2. Melter has lost
system ready status
(undertemperature
during operation) Material was refilled Wait until the melter is heated.
3. Motor not switched
on - Switch on motor
NOTE: AND link.
Refer to Initial Startup , illustration
"Conditions for Motor running with
and without interface Standard I/O ."
4. Motor startup
protection activated
Standby entered Switch on the motor(s) again
Undertemperature during operation
5. Speed (rpm) not set The parameter Max. pump speed
in key-to-line is on 1 min
-1
Set the speed
(Refer to section Operation / Control
Panel - Overview - / M3 )
6. Key-to-line mode
selected, however
melter should be in
manual mode
- Switch to manual mode
7. No external motor
enabling via interface
Standard I/O
- Activate the corresponding contacts
of the interface. To do this, the motor
enable key must be set to
Control
panel AND standard I/O .
8. Key-to-line selected
but no line speed
signal present
- Provide line speed signal
Check whether the type of input
signal is the same as that selected on
the control panel (analog/frequency)
9. Threshold switch not
properly set - Check and set values on control
panel
10. Standby entered - Exit or wait until standby period has
expired
Continued ...