Troubleshooting
6-10
P/N 7135268B
E 2008 Nordson Corporation
PURBlue EC
Control Panel does not Function
Problem Possible Cause Corrective Action
1. Display is blank PLC ribbon cable not connected Connect
2. One or more round
LEDs do not light up
during the test when
the system is started
up
Replace the control panel (Refer to
section Repair).
No Inert Gas
Problem Possible Cause Corrective Action
1. Tank was not supplied
with inert gas
Inert gas bottle empty Replace
Solenoid valve of inert gas
equipment defective
Replace
(The solenoid valve is in the melter
tower on the pressure display)
Inert gas inlet blocked