Nordson AltaBlue - System Faults

Troubleshooting
8-6
Part 1120130
E 2011 Nordson Corporation
System Faults
Table 8-3 System Faults
Screen Message Affect on Melter Cause Corrective Action(s)
Brownout
Master pump and
heaters are switched
off. Melter stops
functioning
Plant power dipped and came
back up
Typically nothing to address,
unless the system does not
operate properly, or various
messages appear. Cold
Stop/Start the melter.
Analog-to-Digital
Failure
RTD analog‐to‐digital converter
failed
Replace main board or CPU
Analog-to-Digital
Failure Calibration
Failed hose or applicator
RTD analog‐to‐digital converter
could not be calibrated
(grounded RTD in system)
Replace hose or applicator.
Note: Set setpoint to zero to
avoid fault.
Replace main board or ribbon
cable, or CPU
Expansion Board
Connection Failure
Communication failure between
expansion board and main board
Check the ribbon cable
connections between the
expansion board and the main
board.
Expansion Board
Failure
Replace the expansion board.
User Interface Failed
to Load
Reload SD card info
Replace SD card
Replace CPU
Main Board Failure
Replace the main board
RAM Failure
Replace CPU
Motor
Communication
Failure
Refer to “Motor Drive Faults“
later in this section for more
information
Motor Thermostat
Failure
Motor thermostat is open Replace thermostat
Manifold or
Reservoir
Thermostat Failure
Tank or manifold thermostat is
open
Replace thermostat, J7 harness,
or main board
Runaway fault on
[ZoneName]
Temperature continues to rise
beyond set point.
Replace Hose/applicator cordset
Replace mainboard