Hot melt application head EP 30
17
P/N 397191B
E
2005 Nordson Corporation
EP 30
Troubleshooting Table
Problem
Possible Cause
Corrective Action
Refer to
No adhesive
Melter tank is empty
Fill
Separate
manual
Melter
Melter motor is not switched on
Switch on
Separate
manual
Melter
Melter pump is not working
Check
Separate
manual
Pump
Application head has not yet
reached operating temperature
Wait until temperature has been
reached, check temperature
setting if necessary
Separate
manual
Temperature
Controller
Application head cold or not yet
warm enough
Refer to
Application head does
not heat
−
−
Control air not connected
Connect
Page 7
Nozzle clogged
Clean nozzle
Page 14
Nozzle stem is stuck
Replace control module
Page 14
Solenoid valves do not switch
Refer to
Solenoid valves do not
switch
−
−
Application head
does not heat
Temperature not set
Set on temperature controller
Separate
manual
Temperature
Controller
Power plug not connected
Connect
Page 6
Fuses in melter defective
Disconnect unit from line
voltage, check fuses and
replace if necessary
−
−
Heater cartridge(s) in
application head defective
Replace
−
−
