Nordson ProBlue Flex - Page 116

Troubleshooting
6-14
Part 1128350_02
E 2020 Nordson Corporation
Identifying Electrical Components (contd)
Table 6-4: 6-channel Power Module (INT + H/A 1 and 2) (contd)
Item Number Type Description
Connection Points
X1 Input Chassis ground
X4 Input AC power to Melt and Manifold heaters from power distribution board
X3 Output Switched AC power to Melt and Manifold zone heaters
X10 Input RTD input from melt and manifold zones
X12 Output 400/480V sub-base control signals
X2 Input AC power to H /A 1 and 2 from power distribution board
X5 Input/Output ACpoweroutputstoH/A1heatersandH/A1RTDinputs
X6 Input/Output ACpoweroutputstoH/A2heatersandH/A2RTDinputs
X8 Input/Output NordNet downstream to other power modules
X7 Input/Output NordNet upstream to LVC
Table 6-5: 4-channel Power Module (H/A 3 and 4, 5 and 6)
Item Number Type Description
Base Board Indicators
DS1 LED (Green) AC power available to hose and applicator heaters
DS2 LED (Yellow) Applicator 2 heater control signal
DS3 LED (Green) 5VDC supply available
DS4 LED (Yellow) Hose 2 heater control signal
DS5 LED (Yellow) Applicator 1 heater control signal
DS6 LED (Yellow) Hose 1 heater control signal
BaseBoardConnectionPoints
X6,X2
Input/output
Control signals between temperature core board and 4-channel base
board
X4 Input AC power input to hose and applicator heaters
X5 Input/output Hose and applicator 1 heater outputs and RTD inputs
X3 Input/output Hose and applicator 2 heater outputs and RTD inputs
X1
Input
Chassis Ground
Core Board Indicators
DS1 LED
(Green/Yellow/Red)
RTD status listed in order of priority:
No base power board detected at startup = red solid,
else no communication to ADC = yellow blink,
else 1+ open/shorted RTDs detected = yellow blink,
else: = green blink
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