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15 Troubleshooting
15 Troubleshooting
15.1 Troubleshooting
Error
The product does not output any signal
The product does not output any continu-
ous signal
The product outputs an irregular signal,
which does not correspond to the float
position
When several flowmeters are installed
next to each other, the instrument
sensors may interfere with each other
and send false signals
15.2 LED error message
LED
red
red
GEMÜ 127x
Possible cause
Connector interrupted
Float is not equipped with a permanent
magnet
Cable interrupted
Faulty product
Faulty product
Variable flow
Faulty product
Minimum distance between instrument
sensors too low
Status
Magnet not recognized
Product not ready for opera-
tion and not initialized
LED conditions
lit (on)
16 / 20
Troubleshooting
Check connector and if necessary ex-
change plug
Replace with a float with a permanent
magnet
Check cable, if necessary replace
Replace product
Replace product
Dampen pulsation of flow
Replace product
Ensure 150 mm minimum distance
between the instrument sensors
Error cause
Check float/variable area flow-
meter and replace if necessary
Ensure that the float is within
the range of the instrument
sensor
Initialize product
Output 21 mA (standard range:
4–20 mA)
Troubleshooting
flashes
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