Nordson Vulcan Jet, Руководство пользователя по изделию

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Troubleshooting
8-12
Part 1126187_05
E
2021 Nordson Corporation
Temperature Alarm Troubleshooting
Refer to this table to troubleshoot temperature alarms generated by the
heater/RTD.
Table
8-6 Temperature Alerts/Faults
Screen Message
Effect on
Controller
Cause Corrective Action(s)
Overtemperature
Alert condition -
Temperature for
Zone <<# or
Name>> rises above
defined Set Point
threshold. The
controller continues
to work, but
maintenance may be
required.
Fault condition -
Temperature for
Zone <<# or
Name>> rises above
defined Set Point
threshold. Heaters
turned Off.
The actual temperature of the
component has risen above the
set temperature limit.
S
Check the connections or
replace the RTD.
S
Check for conditions that
may cause an increase in
ambient temperature.
S
Replace the component.
S
Install P/N 1126121 Heat
Exchanger Air Flush Kit. See
page 3-7.
Undertemperature
Alert condition -
Temperature for
Zone <<# or
Name>> drops
below defined Set
Point threshold. The
controller continues
to work, but
maintenance may be
required.
Fault condition -
Temperature for
Zone <<# or
Name>> drops
below defined Set
Point threshold.
Heaters turned Off.
The actual temperature of the
component has dropped below
the set temperature limit.
S
Check the connections or
replace the RTD.
S
Check for conditions that
may cause a drop in ambient
temperature.
S
Replace the component.
Open/Shorted
RTD on shorted or
open on <<# or
Name>>. Controller
not working.
S
The RTD for the component
indicated has failed.
S
The component was
disconnected from the
controller.
Check the connections or
replace the RTD.