Nordson ProBlue Flex User Manual page 115

Heater Sub System Alarms
Alarm
Short Description
Type
Alert
RTD Shorted
Fault
Manifold or Reservoir
Fault
Thermostat Open
Zone Runaway Temperature
Fault
Limit
E 2020 Nordson Corporation
(contd)
Details
RTD resistance is below the
short circuit threshold. If
condition continues for 2
minutes, a fault will occur.
RTD resistance reading is
below the short circuit time
threshold.
Manifold or reservoir
thermostat is activated
because of a high
temperature condition or
connection failure.
You must cycle melter power
the to clear this fault.
A zone runaway temperature
condition exists.
ProBlue Flex OEM User's Guide
Troubleshooting Tips
Check for intermittent or
broken RTD connections.
Verify the resistance. It
should measure between
100 and 300 ohms.
.
After system has cooled,
check the thermostat for
open circuit and replace if
necessary. Check for broken
or intermittent thermostat
connection/wiring. Make
sure manifold and reservoir
RTDs were not
interchanged.
Replace hose/applicator
cordset.
109
Part 1129255_01