e127 Fishfinder No Transducer Connected

[Chuck - Raymarine - Moderator]

Welcome to the Raymarine Forum Dave,

Please note that the Transducers Set-up feature (HOME->SET-UP->SYSTEM SETTING->EXTERNAL DEVICES->TRANSDUCERS SET-UP) is not intended for use with fishfinding transducers. Fishfinder transducer selection is performed within a fishfinder application page/pane via the command sequence MENU->SET-UP->TRANSDUCER SET-UP->SELECT TRANSDUCER. Should you be using the latter command sequence from within the fishfinder application, and should the problem persist, then it would appear that there is a problem with the e127 MFD's internal fishfinder sounder circuitry or with the transducer itself. A technician would fault isolate the problem by testing the MFD with a compatible transducer which was known to be operational. Given the age of the transducer , it is quite possible that the transducer may have failed. Alternatively, the e127 MFD may be sent to Raymarine’s Product Repair Center to be bench checked / serviced.

With respect to Speed and Temperature data, should you not alread have done so, then it is recommended that the MFD be configured to display two databoxes and that they be configured to display Speed and Water Temperature. Please click here to view a FAQ addressing this subject. Should the values reported within these databoxes be -.-, then it would appear that there is a problem with the transducer's speed/temp sensor. Should the transducer's depth sensing element be operational, then it would be recommended that Gemeco, Inc. (Airmar’s US distributor (803 693 0777)) be contacted to order a kit to replace the current speed insert with a replacement speed/temperature insert.