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 6-15 Main Board Components
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...
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