Nordson 3100V Series Customer Product Manual

Control
B 2-13
d.
Check
your
operating temperature setpoints
to make sure they
haven't been
changed. Refer lo
Records
of System
Setfihgs
in
the I
n stal
lation
section.
e. lf the affected zone
is a
hose
or
gun,
replace the hose or
gun
with
a hose or
gun
that is known
to
be
good.
lf
the warning disappears,
replace the defective hose
or
gun.
lf
the warning still appears,
continue to
the
next
step.
3.
lf
the warning still appears
after
you
press
the CLEAR FAULTS key
and
after
you
have taken the actions in step 2, take
the
following
steps.
a. Check for loose heater
connections
on
the board that supplies the
heater
power
for the
affected
zone. Refer
to Table B 2-5 for heater
connector locations. For
example, check the harnesses
connected
to X1 and X2 on the
power
board
to check the heater
connections for
hoses
1-4
or
guns
1-4.
See Figure B 2-4 for
the
location
of connectors
on boards.
b. Use an ohmmeter
to check the fuse or fuses on the board that
supplies the heater
power
for the affected zone. Refer
to
Figure B,
2-B for fuse locations.
Replace the appropriate fuse or fuses.
Refer
to Replacing
a
Fusein Repair Procedures.
lf the fuse blows
again,
make
sure the heater is not shorted
to the
ground.
c. lf
the affected zone is the tank, make sure
the harness connected
to
J2
on the
power
board is secure or check the
thermostat. See
Figure B 2-4for
the location of J2 on the
power
board. To check a
thermostat,
refer to
Checking
a Thermostatin
Troubleshooting
Procedures.
d. Check the K1 contactors
on the
480 VAC
distribution board
and
the
power
board. While
pressing
the
unit's HEATERS key on and
off, listen for
the
K1
contactors to engage. You can
also open the
unit and visually
examine the contactors to
see
if
they are
engaging.
See Figure B 2-4tor
the
location
of K1 on the 480 VAC
distribution
board and the
power
board. lf K1
is not engaging,
replace
the 480 VAC distribution board or
the
power
board as
appropriate. Refer to Replacing
a Unit-Specific Board or
Replacing
a
ControlAssembly
Boardin
Repair Procedures.
e.
Check the heater
or
heater
circuit of the affected zone. Refer to
Checking a Heater or Heater
Circuitin
Troubleshooting
Procedures.
f. lf the warning
condition still appears after
you
have taken all the
actions in this step, replace
the control assembly. Refer to
Replacing
the
Control
Assembly in Repair
Procedures.
@00 Nordson
Corporation
All
righls reserved
41-3000y
lssued
5/00
82 EN-04-[3V-X-4XXVI-5

Nordson 3100V Series Specifications

General

Brand	Nordson
Model	3100V Series
Category	Melting Machines
Language	English