9. Troubleshooting
Phenomena Possible causes Actions
No signal / display
Power not connected; battery
Connect the power, check the
Cable connection incorrect Check cable
No flow or clogging Check flow and contamination
Power regulator failure Return to factory
Sensor failure Return to factory
Large errors or unexpected
flowrate
Particles, fluid type Check system
Erroneous or large noise Vibration, unstable flow Check system
Valve not work Wire connection, valve Return to factory
Offset unstable Circuitry instability Check system, power off
No digital interface Wrong address, software Check commands, connection
No wireless, BT cannot pair Wrong model, data jam Check model, power off/on
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