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111
Troubleshooting
Symptom
Possible Reasons and Solutions
Sleeping
Indicates that the Piper has been placed in
Piper icon
standby mode using the remote control. Press
any button to reactivate the Piper.
Line and
Line and Grade may have been locked. Press
Grade will
the STAR button, then a Line or Grade button
not change
to unlock. See also:
Or Line or Grade may have reached their fur-
thest limit. Line limits are indicated by the
icon at the top of the display. Grade limits are
from -10 % to +25 %.
Line and Grade Lock
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