Will Scratches Affect Transducer?

When the transducer is moving through the water, the scratch may cause bubbles to run across the face of the transducer thus reducing the signal.

Will a transducer work if it gets scratched?

Re: Scratches on trolling motor sonar transducer

No they dont,mine is all scratched up and it works fine. Check your settings on the unit sounds like they may have been accidently changed.

Can you damage a transducer?

Yes, absolutely. Transducers use piezoelectric crystals to send and receive sonar pulses, and these crystals can become cracked through wear and tear, which stops them from working properly. ... A transducer can also be damaged if it is run out of water.