TZT14 turning off

A

Anonymous

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my tzt14 display began turning off by itself occasionally a few months ago. Now the problem is more frequent and sometimes the display will not boot at all. While booting I can hear a clicking sound, like some kind of relay, and then the display just shuts off. Despite all that, a few days ago the display worked perfectly all day long for more than eight hours, then suddenly shut off. Has anyone had a similar experience? I have extensively inspected all the wiring but I have not discovered anything obvious. At this time, the display will not boot at all. Suggestions?
 
I would recommend sending the unit in for testing. It could be related to a fan going bad and a thermal cut off. If you want to do something on the boat, before sending it in; I would try the unit with the chart card out and the all the cables disconnected other than the power cable. This will eliminate it down to the unit itself or your power/grounding.
 
thanks Johnny, I'll try that out and let you know how things go…
 
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