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Operation
4-11
P/N 7135268B
E 2008 Nordson Corporation
PURBlue EC
Monitoring Aids
LED Ready
The Ready LED lights up (green) when all of the heated components are
within 3 _C (5 _F) of their setpoint temperature.
The Ready LED will not turn on, or will turn off, if any of the following events
occur:
S Ready delay time has not yet elapsed
S The operator or a remote input places the melter in standby mode
S The seven-day clock places the melter in standby mode
S There is a fault (the Fault LED is illuminated).
LED Fault
For detailed information on melter faults, refer to the section
Troubleshooting.
LED Service Required (Wrench Symbol)
The melter can be set such that, when a time specified by the customer has
elapsed, the Service LED lights up. The customer can decide what the LED
should indicate, e.g. a filter change or some other maintenance task.
When maintenance work is completed, the Service LED must be reset.
Resetting Service LED
In normal mode, press the Clear/reset key to turn off the Service LED and
reset the service interval.
LED Pump
Color Meaning
Off Key not pressed
Yellow Pump enabled, not turning
Green Pump enabled, turning
Flashing green No signal from external input
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