Chapter 7 Troubleshooting
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7.1. Table 1. Error codes and solutions
Code
M08 Display
Cause
Solutions
*R
System
Normal
* System normal
Signal Not
Detected
Signal not detected.
Spacing is not correct
between the
transducers or not
enough coupling
compound applied to
face of transducers.
Attach transducer to the pipe
and tighten it securely. Apply
a plenty of coupling
compound on transducer and
pipe wall.
Remove any rust, scale, or
loose paint from the pipe
surface. Clean it with a file.
*I
* Transducers
installed improperly
* Check the initial parameter
settings.
* Scale is too thick.
* Remove the scale or
change the scaled pipe
section. Normally, it is
possible to change a
measurement location. The
instrument may run
* New pipe liner.
properly at a new site with
less scale.
* Wait until liners solidified
and saturated.
*G
Adjusting Gain
(Display in
Windows
M01)
The machine is
adjusting for
gain,preparing for
normal calibration.