Nordson 3100V Series Customer Product Manual page 256

Control
B 2-23
Table
B
2-5 Heater Connector Locations and Harness Pins for Measurin
Resistance
Problem Zone
Connector Location Connector:
Pin Resistance Range
Hose
1
Power board
X1: '1
and
X2:
'l '1400-50
ohms
Hose
2 Power board X1:
3andX2:
3
1400-50 ohms
Hose
3
Power board
X1: SandX2:
5 140G-50 ohms
Hose 4
Power board X1: 7 andX2:
7
1400-50 ohms
Hose 5 (See Note A)
5/6 hose/gun board X1H:
4 and
X2H:
3
1400-50 ohms
Hose 6 (See Note
A)
5/6 hose/gun board X'lH:
2 and
X2H:
1
1400-50 ohms
Gun
1
Power board
X1: 2andX2:
2
600-100
ohms
Gun 2
Power board X1:
4 and
X2:
4 600-100 ohms
Gun
3 Power board X1:
6 and
X2:
6
600-100
ohms
Gun 4
Power board X1:
8andX2:
8
600-100
ohms
Gun 5 (See Note
A)
5/6 hose/gun board X1H:
3 and
X2H:
4
600-100 ohms
Gun
6 (See Note
A) 5/6 hose/gun board X1H:
'1
andX2H:
2 600-100
ohms
Tank
480 VAC distribution
board
XSDA and XSDB
47-120
ohms
NOTE
A:
Some units
can accept only four hoses and four guns
4.
Check the continuity
of
the
heater circuit by measuring the heater
resistance at a point
in
the circuit that is closer to the heater.
lf the faulted zone is a hose or gun, measure the resistance at the
hose or gun
electrical
plug.
Refer to
your hose or gun manual
for
a diagram
of
the electrical plug and for procedures for replacing
the gun heater.
lf a hose heater is defective, replace the hose.
a
a lf the faulted zone
is the tank, measure the resistance
at
the tank
heaterconnectors. lf you measure infinite orzeto
(0) resistance
at the
tank heater connectors, you must install a new
tank.
Refer
to
the lank
section.
5.
Replace
the control board or the control assembly. Refer to
Replacing a Control Assembly Board or Replacing the Controt
Assembly in Repair Procedures.
@
2000 Nordson
Corporalion
All rights reserved
41-3000v
lssued 5/00
82EN-04-[3V-X.4XXyJ-5