Setup Key
Left display and scroll key
Scrolling through the fault log
Operation
4-10
Part 1024496_06
2014 Nordson Corporation
Monitor Melter Faults
The melter alerts the operator to the faults listed in Table 4‐3. Faults affect
the melter in one of three ways: the heaters turn off; the heaters remain on,
but the fault condition persists; or the melter stops functioning.
When a fault occurs, you must diagnose and correct the fault condition and
then place the melter back into operation. You can use the fault log to
determine the type, order, and relative time of the last ten faults.
To review the fault log
1. Press and hold the Setup key.
The automatic scan stops and operating parameter 1 appears in the
left display.
2. Scroll the left display to parameter 2 (the fault log).
The right display indicates the last fault that occurred as follows:
If the last fault was an F1, F2, or F3 fault, then the LED on the affected
component key turns yellow.
If the last fault to occur was an F4 fault, then the LEDs on all of
the component keys turn off.
The right display indicates the log entry for the last fault to
occur. Table 4‐2 provides the meaning of each digit in the log
entry. Following the table are two example fault log entries.
3. Press the right‐display scroll key to review each of the remaining nine log
entries. Each press of the scroll key displays a progressively older log
entry.
NOTE: The fault log only stores the last ten faults. After ten faults
occur, the existing log entries are overwritten, beginning with the oldest
entry, by the eleventh and following log entries.
4. Press the Setup key to return to the automatic scan mode.
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