
Navigator 2.0 User Manual & Service Guide
N2-5000-07-001 Rev 7
-
32-
Revised 10/16/2018
www.Dilon.com
SERVICE MANUAL
7. Troubleshooting
With the exception of the Wireless Pilot Probe
’s battery holder, no serviceable components are
located inside the control unit or probes. Contact your representative or Dilon Technologies for
additional assistance if more detail is required.
Table 8A-1. Control Unit Only - Settings and Indicators
Problem
Possible Causes
Remedies
1. Display is dark;
No power to unit.
Power switch is off;
Switch is broken.
Unit may have been
dropped.
Turn power on;
Contact Dilon Technologies for
assistance.
Battery is dead.
Recharge battery, or replace with new
battery.
Fuse is blown or missing.
Replace fuse.
Damaged PCB (board) in
control unit
Contact Dilon Technologies for
assistance.
2. Incomplete digits
in display.
Display, or display driver, is
damaged.
Unit may have been
dropped.
Contact Dilon Technologies for
assistance.
Table 8A-2. Navigator 2.0 Control Unit with WIRELESS PILOT PROBE- Settings and
Indicators
Problem
Possible Causes
Remedies
1. Zero in display.
No signal under
presence of a
radioactive source.
No wireless connection
between probe and control
unit.
Replace the probe battery.
Verify that battery was inserted
correctly into probe (
‘+’ should face
toward base of probe).
Isotope control is set to
incorrect isotope.
Change isotope control (on back of
control unit) to Tc-99.
Circuit inside the control unit
has been damaged.
Try a different control unit. Contact
Dilon Technologies for assistance.
Probe LED is illuminated but
not transmitting signal to unit
(LED flashes when
transmitting).
Gently shake probe to activate
connectivity.
Probe is damaged / probe
cap not secure.
Try a different probe, or contact Dilon
Technologies for assistance.
Summary of Contents for Navigator 2.0
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