Troubleshooting
8-5
Part 1126187_05
E
2021
Nordson Corporation
Input/Output Alarm Troubleshooting
Refer to this table to troubleshoot the alarms generated by the
inputs/outputs.
Screen Message
Effect on
Controller
Cause
Corrective Action(s)
System Power
Supply Overload
Alarm
The total 24V power
supply current has
exceeded the
allowable limit.
S
External devices miswired
S
Short circuit on 24V power
bus due to defective internal
cable or defective PCA
S
Check output wiring for
incorrect connection.
S
Check output wiring and
cables for wear. Replace
cables as needed.
S
Replace Communications
PCA, I/O PCA, and/or Piezo
Driver PCA.
S
Inspect internal cables for
damage. Replace cables as
needed.
HMI Power Supply
Overload Alarm
Power supply
current to HMI has
exceeded the
allowable limit.
S
HMI miswired
S
Defective cables
S
Check output wiring for
incorrect connection.
S
Check output wiring and
cables for wear. Replace
cables as needed.
USB Power Supply
Overload Alarm
Power supply
current on USB host
connection has
exceeded the
allowable limit.
Defective USB drive
Try using a different USB drive.
Air Flow Meter
Power Supply
Overload Alarm
The air flow meter
power supply current
has exceeded the
allowable limit.
S
Defective air flow meter or
cable
S
Defective I/O PCA
S
Replace air flow meter.
S
Check wiring for incorrect
connection.
S
Check output wiring and
cables for wear. Replace
cables as needed.
S
Replace I/O PCA.
I/O Connector
Power Supply
Overload Alarm
I/O connector 24V
output current has
exceeded the
allowable limit.
S
Short circuit on the 24V
output signal
S
Defective I/O PCA
S
Check wiring for incorrect
connection.
S
Check output wiring and
cables for wear. Replace
cables as needed.
S
Check external devices
attached to the 24V output
supply for short circuits.
S
Replace I/O PCA.
Содержание Vulcan Jet
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Страница 121: ...Maintenance 7 5 Part 1126187_05 E 2021 Nordson Corporation 1 2 3 5 4 4 6 7 8 Figure 7 2 General Disassembly...
Страница 162: ...Parts 9 4 Part 1126187_05 E 2021 Nordson Corporation Figure 9 2 Vulcan Jet applicator parts...
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