New pipe, high quality material, and all installation requirements met: why still no signal detected ?
Check parameter settings, installation method and wiring connections.
Confirm if the initial parameters are set correctly and have been saved in M26 ?
Confirm if the initial parameters are set correctly and have been saved in M26 ?
If pipe is full of liquid when flow meter is working?
If the coupling compound have been applied adequately?
If transducer spacing agrees with the screen readings and the transducers are installed in the right direction?