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 − −
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