Fault LED (red)Operation 4-11Part 1032059B 2003 Nordson Corporation Manual 41-DURABLUE-MA-02How F1, F2, and F3 Faults are HandledWhen the melter detects an F1, F2, or an F3 fault:1. The automatic scan stops and the melter begins to monitor the potentialfault for up to two minutes. The ready and heater LEDs remain on duringthe two-minute time period. If, at any time during the two-minute period,the melter detects that the fault condition no longer exists, the melter willreturn to the automatic scan mode.2. The LED on the affected component key (tank, hose, or gun) turns on toindicate the type of component that has, or is, failing.3. The right display indicates the type of fault (F1, F2, or F3).4. The left display indicates, as follows, the component that has, or is,failing. If the LED on the tank key is on, the left display will indicate either 1for the tank or 2 for the pump. If the LED on the hose or gun key is on, the left display will indicatethe number of the affected hose or gun.5. If the fault condition still exists at the end of the two-minute monitoringperiod, the ready LED will turn off, the red fault LED will turn on, theheaters turn off, and the melter records the fault in the fault log. Refer toTo review the fault log later in this part.
