Troubleshooting
6-10
Part 1128350_02
E 2020 Nordson Corporation
Identifying Electrical Components
Figure 6-1 illustrates the location of each of these circuit board components.
Tables 6-1 through 6-7 describe the circuit board indicators, connection
points, and test points.
Table 6-1: Power Distribution PCA
Item Number Type Description
Indicators
DS1 LED (Yellow) Control signal for power relays
DS2 LED (Yellow) Power available into power distribution board
Fuses
F1/F2 — 3.15 A, 250 V, Slow-blow, 5 x 20 mm
F3/F4 — 15 A, 250V, Fast-acting, ¼ inch
F5/F6 — 20 A, 250V, Fast-acting, ¼ inch
F7/F8 — 20 A, 250V, Fast-acting, ¼ inch
Connection Points
X9,X10,X11 Jumper Voltage configuration connections with and without neutral
TB1 Input AC power into board
X1, X3 Input/output Chassis ground for 24VDC power supply
X4, X6, X7, X12 Input/output Control signal for power relays
X2 Output AC power to 24VDC power supply
X8 Output AC power to 6CH power module (INT, H/A 1 and 2)
X5 Output AC power to power distribution expansion board
Table 6-2: Power Distribution Expansion PCA
Item Number Type Description
Fuses
F1/F2 — 15 A, 250V, Fast-acting, ¼ inch
F3/F4 — 15 A, 250V, Fast-acting, ¼ inch
F5/F6 — 15 A, 250V, Fast-acting, ¼ inch
Connection Points
X4 Jumper AC power into board from power distribution board
X3 Output AC power to 4 channel board #1 (H/A 3 and 4)
X1 Output AC power to 4 channel board #2 (H/A 5 and 6)
X2 Output
AC power to 4 channel board #3 (H/A 7 and 8)
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