Aft AFT-2000W - Troubleshooting; Power-on Error Displays and Counter-Measures; Error Code and Counter-Measures

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AFT-2000W User Manual
5. Troubleshooting
5.1 Power-on Error Displays and Counter-Measures
The AFT-2000W ultrasonic flow meter provides an automatic power-on diagnosis for the hardware
problems. When any message (with the power on) in the following table displays, counter-measures
should be taken.
Error message
Causes
Counter-measures
ROM Testing Error
Segment Test Error
Problem with the
software
(1) Power on again
(2) Contact with factory
Stored Data Error
The parameters
entered by the user
lose integration.
When this message displays, the
user should press ENT key, and all
the configuration will be restored
to the default state.
Timer Slow Error
Timer Fast Error
Problem with the
timer-keeper or the
crystal oscillator.
(1)Power on again
(2)Contact with factory
Date Time Error
Number errors with
the calendar
Initialize the calendar by menu
window M61
Reboot repetitively
Hardware
problems
Contact the factory
5.2 Error Code and Counter-Measures
The AFT-2000W ultrasonic flow meter will show Error Code in the lower right corner with a single letter
like I, R etc. on menu windows M00, M01, M02, M03, M90 and M08. When any abnormal Error Code
shows, counter-measures should be taken.
Error
code
Correspondent Message
displayed on M08
Causes
Counter-measures
R
System Normal
No error
I
Detect No Signal
(1)No Signals detected
(2)Transducers installed
improperly
(3)Too much fouling
(4)Pipe liners are too thick.
(5)Transducer cords are not
properly connected
(1) Relocate
measuring
location
(2) Clean the spot
(3)Check the
cords
J
Hardware Error
Hardware problem
Contact the
factory
H
PoorSig Detected
(1) Poor signal detected
(2) Transducers installed
improperly
(1) Relocate
measuring place
(2) Clean the spot