20 Most Recent Humminbird 140c Fishin' Buddy Questions & Answers


I am having an issue getting my brandnew 140 C to turn on. Fresh batteries... Called customer service, they want me to send it in. Ill update you when I find out what the issue was...

Humminbird 140c... | Answered on May 13, 2015


try scrubbing the bottom end of it with a soapy water solution the seem to scum over and that blocks the signal sometimes

Humminbird 140c... | Answered on Nov 02, 2010


wouldn't recommend anything more than a slow idle . much faster might break the clamp off and U would lose it overbaord

Humminbird 140c... | Answered on Apr 25, 2010


check power cable or see if battery is loose

Humminbird 140c... | Answered on Jul 30, 2009


most graphs are....... UNLESS damaged or dropped....see you on the water...GL

Humminbird 140c... | Answered on Jul 06, 2009


Is it possible to install the thermostat upside down?

Humminbird 140c... | Answered on May 11, 2009


It has an online manual to download.
do a search for humminbird 140c.
some portables only work at very slow speed or sitting still in water.

Humminbird 140c... | Answered on Jan 21, 2009


3.2 oz oil in one US gallon yields 40:1 mixture.
2.6 oz oil in one US gallon yields 50:1 mixture.

Humminbird 140c... | Answered on Jan 21, 2009


No, you need a new one. They are a sealed unit and not repairable.

humminbird 143 replacement transducer Google Search

Humminbird... | Answered on Sep 03, 2018


The unit may be defective.

Humminbird... | Answered on Feb 13, 2018

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