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Troubleshooting
Problem/Concern Causes/Solutions Section to Consult
1999 in bottom window of
receiver, indicating no signal
is being received from the
transmitter.
Transmitter is asleep (wake it up by
rotating the drill string).
Dead batteries in the transmitter.
Broken transmitter.
Overheated transmitter.
Transmitter is out of range of receiver.
“Electrical Interference/
Background Noise Check”
in Signal Interference
Section
Transmitter Section
A number ranging from 200 to
700 in bottom window of
receiver and transmitter is not
active.
Receiver is receiving background noise.
“Electrical Interference/
Background Noise Check”
in Signal Interference
Section
Depth suddenly decreases
18–24 inches (46–61 cm).
Ultrasonics have not been zeroed and
receiver is being set on the ground for
depth reading. Due to the likelihood of
interference, do not measure with the
receiver on the ground.
“Ultrasonic Function” in
Receiver Section
Depth after calibration
displays as 297–305 instead
of 119–121.
Depth measurement mode in receiver has
been inadvertently changed from inches
(English) to centimeters (metric).
“Changing the Depth
Measurement Units” in
Receiver Section
Incorrect depth. Interference.
Ultrasonics improperly set.
Bad calibration.
Weak signal from the transmitter.
Receiver is not directly over transmitter
when taking a depth reading (trigger must
be released).
Receiver malfunction.
“Electrical Interference/
Background Noise Check”
in Signal Interference
Section
“Ultrasonic Function” in
Receiver Section
Erratic information on
receiver.
Interference.
Low battery in receiver.
Moisture inside the equipment. Call DCI
for information about field methods for
“drying” out the equipment. Moisture can
be caused by condensation which occurs
when the equipment is repetitively moved
to and from a warm environment and a
cold one.
“Electrical Interference/
Background Noise Check”
in Signal Interference
Section
Remote Display Section
Remote display has dashes
across windows.
Receiver is set on channel 0 (the telemetry
is off).
Receiver is set to a different channel than
remote display.
“Changing the Receiver’s
Channel Setting” in
Receiver Section
DigiTrak
®
Mark III Operator’s Manual 63