Troubleshooting
6‐4
P/N 397189E
E 2006 Nordson Corporation
BM200_EASY_GEAR
Problem Corrective ActionPossible Cause
Too little or no
material comes
out
System, hose and application head /
assembly handgun are cold or have not
the right temperature
Check all temperature settings.
Consider heating phase
Material viscosity too high
Observe temperature instructions of
material manufacturer
Increase operating air pressure of bulk
melter (max. 7.5 bar / 0.75 MPa /
109 psi)
Motor does not turn
Undertemperature interlock has not yet
released
Check position of motor switch
Check speed setting
Are fuses on motor controller functional?
Is motor controller functional? Is motor
functional?
Have motor controller or motor checked
- and, if necessary, replaced - by
qualified personnel
Pump turns, but feeds no or too little
material
Check that pump functions correctly
Nozzle on application head or assembly
handgun blocked
Unscrew warm nozzle and clean
Filter - if present on application head - is
blocked
Replace filter cartridge
Heating punch can
not be lowered
Sensor Drum inserted transmits no
signal
Clean sensor, check position
The pneumatic switch lights up green
when the drum is inserted
Is the pneumatic switch set to Lower? Set pneumatic switch to Lower
Is the drum deaerated? Deaerating drum
Heating punch
moves irregularly
or not at all
Set pneumatic switch to 0 If air continuously escapes from the
switch in this position, the switch is
defective and must be replaced
Set pneumatic switch to Raise If air continuously escapes from the
valve drain hole in this position, the
seals in the air cylinders are probably
defective and must be replaced
Pneumatic cylinder seals leak Replace seals
Heating punch lifts
drum
Lifting speed too high Reduce heating punch lifting speed
(Refer to Installation)
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