Uniden QT206 English Owners Manual - Page 21

TROUBLESHOOTING GUIDELINE Symptom "0.0" is flashing in the display window. Possible Reasons Suggested Solutions Unit is not receiving an Correctly adjust the echo which could be Sensitivity Control so caused by a variety of that the numbers in the reasons: display window start to appear and are reading Sensitivity Adjustment the correct depth. was turned too much in one direction, actually Try a "known good" squelching out the echo. transducer hooked up to the gauge and see if the Transducer is defective, depth appears in the therefore not transmit- window. It is important ting or receiving echoes. to "wet" the transducer immediately before im- Installation of the trans- mersing in the water. ducer is incorrect, therefore not allowing a Make sure that the pulse to be transmitted transducer is installed or received. per the instructions in Unit is defective and this manual. Inside- needs to be returned to the-Hull Transducers the factory for repair. must be properly bonded and attached to the hull as described in the section on Inside- the-Hull mounting, or must be properly in- stalled by the boat manufacturer if the equipment was installed at the boat factory. Unit is showing "88.8" in the display window. If all of the above tests resulted in "0.0" remaining in the window, return the unit for repair. A logic circuit failure Return unit to the facprobably caused by a tory for repair. poor solder connection, lack of solder, or improper wiring. 19