LA 302 Pressure Controller Manual.pdf - 第39页

Maintenance 5-1 P/N 71 19797A 2006 Nordson Corporation LA 302 Edition 06/0 6 Section 5 Mai nt e nance W ARNING: Allow only qualified personnel to perform the following tasks. Observe and follow the safety instructions in…

100%1 / 48
Operation
4-8
P/N 7119797A
2006 Nordson Corporation
LA 302
Issued 06/06
Maintenance
5-1
P/N 7119797A
2006 Nordson Corporation
LA 302
Edition 06/06
Section 5
Maintenance
WARNING: Allow only qualified personnel to perform the following tasks.
Observe and follow the safety instructions in this document and all other
related documentation.
Maintenance
The unit requires no maintenance. Check all cables regularly for damage.
Replace damaged cables immediately!
Troubleshooting
Problem Possible Cause Corrective Action Refer to
Unit not
functioning
Mains plug not connected Connect mains plug Installation
Unit is not switched on Switch on unit Operation
Mains fuses defective Check mains fuses, replace if
necessary
Repair
No glue
application
Adhesive gun does not switch
Adhesive gun solenoid valve not
connected to LA 302
Installation
Mode switch (B) not in left position Operation
No glue
application, LED
(3) illuminated
Production speed too low Increase production speed Operation
No glue
application, LED
(2) illuminated
Solenoid valve on adhesive
gun defective
Replace adhesive gun Installation
Too little glue
applied, LED (4)
and/or LED (5)
illuminated
Proportional pressure control
valve defective or not
connected
Replace or connect proportional
pressure control valve
Installation
Maintenance
5-2
P/N 7119797A
2006 Nordson Corporation
LA 302
Edition 06/06
Troubleshooting
(contd.)
Problem Possible Cause Corrective Action Refer to
Bead too thin at
low speed
Current for minimum pressure
too low
Increase current Operation
Bead too thin at
high speed
Current for maximum pressure
too low
Increase current Operation
Bead too thick at
low speed
Current for minimum pressure
too high
Reduce current Operation
Bead too thick at
high speed
Current for maximum pressure
too high
Reduce current Operation