1126700 SmartPAC 2 User Manual
7-8 Fault Messages
Messages for Sensor Faults
“Green sensor missed”
Explanation: A green or green quick check sensor did not turn on during the Ready
signal nor within 50 milliseconds after the end of the Ready signal. No
stroke angle is displayed for this error since the sensor never turned on.
Remedy: Check for the malfunction that the sensor was supposed to detect (part
ejection problem, misfeed, transfer problem, etc.). If a malfunction is not
the cause, check to be sure that the Ready signal is set properly for this
sensor. Check that a sensor is actually plugged into this input on the DSI
2. If no sensor is connected to a sensor input, that input must be set to
UNUSED. Check connections between sensors and the controller.
“Green sensor actuated late”
Explanation: A green or green quick check sensor turned on within 50 milliseconds
after the end of the Ready signal.
If a green or green quick check sensor does not come on during its Ready
signal, SmartPAC 2 continues to look for the sensor signal. If it sees the
sensor come on within 50 milliseconds after the Ready signal ends, this
message displays. The angle at which the sensor turned on is shown in the
message.
Remedy: Check for the malfunction the sensor was supposed to detect (like a part
ejection problem or misfeed, etc.). Check that the Ready signal is set
properly, and adjust if necessary.
“Green sensor failure”
Explanation: A green or green constant sensor has stayed on from the end of one Ready
signal to the beginning of the Ready signal for the next stroke. No stroke
angle is shown with this fault.
Remedy: Check for a shorted sensor. Make sure the Ready signal has been set
correctly. Check to see if a press or equipment malfunction is causing the
sensor to stay on–for instance, a part wedged against a sensor or a pinched
wire.
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