Tracker Symptoms
P/N 7010-0341 www.topconpositioning.com
9-11
Tracker Symptoms
Tracker Symptom 1
“Sonic Tracker will not power on.”
Probable Cause
Defective cable or tracker.
1. Check coil cord is plugged in correctly and securely.
2. Inspect Coil cord for any physical damage.
3. Turn Control Box on and watch the tracker lights to
make sure they go through the power up sequence. All
the lights on the tracker should flash at once followed
by a flash of an arrow pointing to the left. The “T”
symbol should also be displayed in the upper right hand
corner of the tracker faceplate when a Temperature Bail
is attached. If the tracker does not go through this
sequence then the tracker is not getting power or is
defective.
4. One at a time, swap tracker and then coil cord from
opposite side to determine the problem.
1. Sonic Tracker will not power on.
2. Sonic Tracker is ticking, but will not adjust to Grade
3. Tracker grade lights flash high and low and will not stay
On-Grade.
4. Sonic Tracker is not matching joint or curb.
5. The Sonic Tracker will pick up the ground, but will not pick
up a stringline.
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