Operation
4-16
Part 1120277_01
E 2012 Nordson Corporation
Monitor Melter Faults (contd)
Table 4-1 Melter Faults
(contd)
Display
Code/Sub-code
Name Affect on Melter Cause Corrective Action
F9/1
(see Note A)
Reservoir empty
Pump turns off and
fault output is
generated, but
heaters and READY
light remain on
Reservoir empty then
pump continues to turn
the number of rotations
set in motor control
parameter dLy (refer to
Table 3-10)
Ensure that adhesive is
present in the hopper
and allow time for the
adhesive to melt into the
reservoir. Unless it is
critical that the unit turn
off immediately when
the reservoir is empty,
set the dLy value higher
to prevent this fault
condition.
S1Cal
(see Note B)
Sensor 1
calibration
Melter enters
standby mode
A continuous melt
plate-on condition
occurred because the
setting for parameter 49
was exceeded (refer to
Table 3-6).
Check the S1 sensor
calibration (refer to
Calibrating the Level
Sensors in Section 5,
Maintenance)oradjust
the setting for
parameter 49.
NOTE A: An F9/1 fault does not create a fault condition, but it does generate a fault output. This output is visible only
if the digital fault output or optional light tower are being used and is the only situation in which both a red
and green light may be on at the same time. In such cases, the heaters and motor are okay, but the melter
will not run because there is no adhesive in the reservoir.
B: For a detailed description of how the melt-on-demand functionality of this melter works, refer to Modes of
Operation in Section 2, Description.
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