Nordson Mesa Fulfill, Customer Product Manual

Page: 59 / 66

RetroFit Refill System with Nordson Level Sensor
A-11
Part 1121938_02
2013 Nordson Corporation
Fill Enable LED/Yellow Status LED/Yellow Light Tower
The table below lists the diagnostic warning (yellow flashes) messages for
the STATUS LED (DS3, located on Refill PCA). These flash codes are also
shown on the FILL ENABLE LED located on the membrane panel.
Number of
Yellow
Flashes
(DS3) and
Panel
Enable LED
Diagnostic Action Required
1 Pressure switch open (if used). Check air supply to pressure switch. If air
supply good, replace pressure switch.
Check jumper if pressure switch not
used.
2 Lid switch open (if used). Replace or re­align lid switch, if used.
Check jumper if not used.
3 RTD open. Unit will still function, but probe
temperature compensation will be disabled. Replace sensor
4 Sensor is disconnected. Reconnect or tighten sensor connector.
If persists, recalibrate the sensor. If still
persists, replace sensor.
5 Melter ready input open (if used) This is normal during melter warm up. If
occurs while melter is ready, check
connections to input. If melter ready
signal not used, check jumper.
6 Unstable sensor readings Check the sensor cable connections. If
the problem persists, replace the sensor
and/or refill PCA.
7 Probe temperature is under 175 F
(80 C)) and filling is prevented.
Allow probe to heat above 175 F
(80 C)