Troubleshooting
6-22
Part 1107600_03
2014
Nordson Corporation
Identifying Electrical Components
Tables 6‐15 through 6‐17 provide detailed descriptions of the circuit board
indicators, connection points, and test points that are referred to in the
troubleshooting chart. Figure 6‐1 illustrates the location of each of these
circuit board components.
Table
Item Number
Type
Description
Indicators
DS2
Neon
Power to tank heater
DS3
Neon
Power to pump heater
DS4
Neon
Power to 5 VDC and 24 VDC power supplies
DS5
Neon
Power to hose/gun 1 heaters
DS6
Neon
Power to hose/gun 2 heaters
DS7
Neon
Power to motor
DS8
LED
Control signal for hose 1 heater
DS9
LED
Control signal for gun 1 heater
DS10
LED
Control signal for tank heaters
DS11
LED
Control signal for motor
DS12
LED
Control signal for gun 2 heater
DS13
LED
Control signal for hose 2 heater
DS14
LED
Control signal for pump heater
DS15
LED
+5 VDC control voltage present
DS17
LED
Trigger closure present at XP3 or XP4
Fuses
F1/F2
−−
Tank heaters (10 A, 250 V, fast-acting)
F3/F4
−−
5 VDC and 24 VDC power supplies (2A, 250 V, slow-blow)
F5/F6
−−
Pump heater (5 A, 250 V, fast-acting, 5 x 20 mm)
F7/F8
−−
Hose/gun 1 heaters (6.3 A, 250 V, 5 x 20 mm)
F9/F10
−−
Hose/gun 2 heaters (6.3 A, 250 V, 5 x 20 mm)
F11/F12
−−
Motor start (6.3 A, 250 V, 5 x 20 mm)
Continued...
Summary of Contents for AltaBlueA4TP
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