ITW Dynatec DYNAMELT D15 Series, Technical Documentation Manual

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Page 5-52 ITW Dynatec
Revised 1/16 V6 DCL Touch Screen Controller for Dynamelt M & D ASUs
Item Description
1
Acknowledge Button
If a fault/ alarm is indicated, the affected temperature zone and the Acknowledge button will be
highlighted red.
When this occurs, follow these steps:
•
Correct and clear the faults/ alarms.
•
Press the Acknowledge button in order to switch On the main contactor.
Faults/ Alarms
Among the Faults and Alarms that may be displayed are:
•
RTD Fault
= a hopper, hose or head sensor has an open circuit.
• Temperature Alarm
= a temperature zone has exceeded its selected over
‐
temperature setpoint,
(which is the setpoint plus the Temperature Alarm Window and Temperature Alarm Hysteresis) or
when it is below its selected under
‐
temperature setpoint (which is the setpoint minus the
Temperature Alarm Window and the Temperature Alarm Hysteresis).
•
Drive Failure
= a motor drive (frequency converter) has a fault.
•
Minimum Level
= adhesive level has dropped below the level sensor and the hopper is empty.
•
Feedback Failure Motor #
= (optional) speed monitor pump addressed.
• Overtemperature
= hardware over-temperature indication.
• Communication Error
= Communication error between the touch panel and controller.
• Parameter CRC Error
= parameter memory is lost. Call ITW Dynatec Technical Service.
• Other Faults or Alarms
= Call ITW Dynatec Technical Service.
When an alarm condition occurs, the current display will be interrupted only if a sensor (or motor drive)
failure occurs. If more than one alarm condition occurs simultaneously, all alarm conditions will be
displayed sequentially.
Operator Response to Error Indication Alarms
If an alarm occurs during operation, the controller will switch off the internal power to the heaters and
an appropriate alarm indication will appear in the status line of the display.
Pressing the Acknowledge button resets the error. If several zones display alarms, each must be
acknowledged. The operator must either switch OFF the indicated temperature zone(s) or
troubleshoot to correct the problem.