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Shaft Encoder Fault (EMU Fault)
This fault refers to applications using variable speed timing and an external clock source. If a detection occurs, but the external
clock pulse is missing, the detector will assume an EMU fault has occurred. Check the external clock source (shaft encoder),
check LED LD 6 (in the power supply). Retest detector with a test sample and the belt running, this may clear the fault.
QA Test Response Fault
This fault will occur if the QA test request light has been ignored and the interval timer has expired. Performing a QA test will
clear the fault.
QA Test Result Fault
This fault will occur if during a QA test the required number of detections of the specific peak size did not occur. Enter QA test
mode and repeat the test to achieve the required number of detections.
Excess Reject Fault
This fault will occur only if the excess reject fault has been turned on and the excess reject parameters programmed. The fault
indicates that an excessive amount of rejects have occurred within the specified time window. To clear the fault, press the Clear
Fault soft key. Please note that the fault may have been caused by excessive contamination in the product. The rejected
product should be examined to confirm this and appropriate action should be taken.
Phase Limit Fault
This fault will occur if a phase limit has been reached during a learn phase or automatic phase period. This may be caused by
contaminated product, metal in the belt, etc. If necessary, check and adjust the phase limits.
Photo Eye Block Fault
This fault indicates an excessive block time for the photo eye which is probably due to photo eye misalignment. Check the
photo eye for proper operation.
24 Volt Fault
This fault indicates that the 24 volt supply has failed and therefore the unit is inoperable. Check power supply fuse F7 and LED
LD7.
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