
Page 218 HydroRanger 200 – INSTRUCTION MANUAL 7ML19981FC01
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Appendix C: Troubleshooting
General Appendix C: Troubleshooting
If the setup becomes too confusing use P999 to reset and start again.
Common Problems Chart
Symptom Cause Action
Display blank, trans-
ducer not pulsing.
No power.
Check power supply, wiring, or
power fuse.
No response to pro-
grammer.
Obstructed infrared interface,
defective programmer
Check programmer usage:
15 cm (6”) from faceplate
pointed at upper target.
Displays Short and
tb:(#).
Short circuited transducer
cable, or defective trans-
ducer at indicated terminal
block number.
Repair or replace as necessary.
Displays Open and
tb:(#).
Transducer not connected or
connection reversed.
Check connection to displayed
terminal blocks.
Open circuited transducer
cable, or defective trans-
ducer at indicated terminal
block number.
Repair or replace as necessary.
Displays LOE. Weak or non-existent echo.
Relocate and/or re-aim trans-
ducer at material.
Proceed to Measurement Diffi-
culties.
Displays Error and
tb:(#).
Wrong transducer selected
(P004).
Verify transducer type and re-
enter value.
Transducer connected in
“two wire” method.
Do not tie white and shield
together. Use all three terminal
blocks.
Transducer connected back-
wards.
Reverse black and white wires
on terminal block.
Displays EEEE
Value too large to display in 4
or 5 characters.
Select larger Units (P005), or
lower Convert Reading (P061).
Note: Many of the parameters and techniques described here require extensive
knowledge of ultrasonic technologies and Milltronics echo processing software. Use
this information with caution.
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