Altronic VariSpark CPU-XL, Operating Instructions Manual

Page: 36 / 97

CPU-XL VariSpark IOM 07-21
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36
This screen indicates that there is a
low spark demand condition on the
master coil of cylinder 5R.
This is often caused by low
compression or insufficient spark
plug gap.
This screen indicates that there is a
high spark demand condition on the
master coils of cylinders 1R, 2R, 4L,
4R, and 5L.
Often caused by worn spark plugs.
This screen indicates that there is a
no secondary spark demand condition
on the master coils of cylinders 1R,
2R, and 4R.
This can be caused by a shorted
spark plug, faulty coil, or opened
spark plug lead.
This screen indicates that diagnostics
have detected a condition where the
output of the master coils of cylinders
1R, 2R, 3L, 4L, 4R, and 5L are
significantly higher than the average
of all the active outputs on the engine.
This screen indicates that diagnostics
have detected a condition where the
output of the master coils of cylinders
2L and 2R are significantly lower
than the average of all the active
outputs on the engine.
This screen indicates that diagnostics
have detected that the output of the
master coils of cylinders 2R and 3L are
firing with significant cycle-to-cycle
variation.