Nordson freedom - Circuit Board Component Tables; Main Board

Troubleshooting
7-40
Part 1123087_02
 3/2014 Nordson Corporation
Circuit Board Component Tables
See Figure 7‐31 for an overview of circuit board locations inside the melter.
Main Board
See Figure 7‐23.
Table 7-3 Main Board Components
Designation Type Description
Indicators
DS2 Neon Power to grid heater
DS3 Neon Power to manifold heater
DS4 Neon Power into board
DS5 Neon Power to hose/applicator 1 heaters
DS6 Neon Power to hose/applicator 2 heaters
DS7 Neon Not used
DS8 LED Control signal for hose 1
DS9 LED Control signal for applicator 1
DS10 LED Control signal for grid heater
DS11 LED Not used
DS12 LED Control signal for applicator 2
DS13 LED Control signal for hose 2
DS14 LED Control signal for manifold heater
DS15 LED +5 VDC out of low-voltage power supply
DS17 LED Not used
Fuses
F1/F2 — Grid heater (10 A, 250 V, fast-acting)
F3/F4 — Main power to board (2A, 250 V, slow-blow)
F5/F6 — Manifold heater (5 A, 250 V, fast-acting, 5 x 20 mm)
F7/F8 — Hose/applicator 1 heaters (6.3 A, 250 V, 5 x 20 mm)
F9/F10 — Hose/applicator 2 heaters (6.3 A, 250 V, 5 x 20 mm)
F11/F12 — Not used
Continued...