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SL1188P Ultrasonic transit-time flowmeter
Revision
:
2.0.0
Page 49 of 81
7.2.
Table 2. Error Codes and Solutions (during operation)
Code
M08 Display
Cause
Solution
*R System Normal
System normal
No errors
*J
SCPU Fatal Error
Hardware defect
Contact the factory
Signal not detected.
Attach transducer to the pipe and tighten it
securely. Apply a plenty of coupling
compound on transducer and pipe wall.
Spacing is not correct between the
transducers or not enough coupling
compound applied to face of
transducers.
Remove any rust, scale, or loose paint from
the pipe surface. Clean it with a file.
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 properly at a new site with less scale.
*I
Signal Not Detected
New pipe liner.
Wait until liners solidified and saturated.
*H Low Signal Strength
Low signal strength.
Cause refers to above-mentioned
reasons.
Solution refers to above-mentioned solutions.
*H Poor Signal Quality
Poor signal quality
All reasons are included in the
above-mentioned causes.
Solution refers to above-mentioned solutions.
*E Current Loop over 20mA
(No influence normally. Ignore it if no
current output is being used.)
4-20mA current loop over 120%.
Improper settings to current loop
output.
Check settings(refer to Window M56)and
confirm if actual flow is too high.
*Q Frequency output over set value
No influence normally. Ignore it if no
frequency output is being used.
Frequency output over 120%.
Improper settings to frequency output
or actual flow are too high.
Check settings(refer to Window M66-
M69)and confirm if the actual flow is too
high.
Error in self-diagnoses during power
on.
Power on again; resolve it by the method
listed in Table 1. If it is still a problem,
contact the factory.
*F Refer to Table 1.
Permanent hardware error.
Contact the factory.
*G Adjusting Gain>S1
Adjusting Gain>S2
Adjusting Gain>S3
Adjusting Gain>S4
(Display in Windows
M00,M01,M02,M03)
Adjusting gain for normal
measurement.
Stop in S1 or S2 and only switch
between S1 and S2 indicates a poor
waveform or low signal strength. All
reasons
may
be
included
in
above-mentioned items.
*K Pipe Empty. Set in Window M29
No fluid in pipe or settings incorrect.
Once fluid is detected in the pipe, set 0 in
Window M29.