What to do if Furuno FM-4850 Cordless Telephone displays 'STARTUP FAILED'?
If the Furuno Cordless Telephone displays 'STARTUP FAILED,' turn the system off, wait briefly, and then turn it on again. This should resolve the startup failure issue.
Why does the icon appear on my Furuno FM-4850 Cordless Telephone?
If the Furuno Cordless Telephone shows the icon or , it indicates that the connected power supply voltage is either too high or too low. Ensure that the voltage is within the range of 10.8 to 15.6 VDC.
Why is the output power low on my Furuno Cordless Telephone?
If your Furuno Cordless Telephone's output power is reduced to low, it's likely due to a built-in protection mechanism against overheating from continuous transmission. The suggested solution is to wait until the unit cools down.
What to do if Furuno FM-4850 radio blows the fuse?
If the Furuno Cordless Telephone radio blows the fuse when connected to the power supply, ensure the red wire is connected to the positive (+) battery post and the black wire to the negative (-) post. Also, check the power cable for DC voltage and replace the fuse (8A 250V).
Why is my position not displayed on Furuno FM-4850?
If your Furuno Cordless Telephone is not displaying your position, check the NMEA2000 or NMEA0183 cable connection. Also, if the NMEA2000 or NMEA0183 cable is connected, ensure that the output of the cable is valid; if not connected, verify that the internal GNSS module is enabled and nothing is blocking the top of the radio unit.
How to stop speaker noise in Furuno Cordless Telephone when engine runs?
If the speaker of the Furuno Cordless Telephone makes popping or whining noises when the ship's engine is running, reroute the DC power cable of the radio away from the engine. Additionally, add a noise suppressor on the power cable and consider changing to resistive spark plug wires or adding an alternator whine filter.
What to do if sound is not emitted from Furuno FM-4850 handset?
If the sound is not emitted from the speaker of the Furuno Cordless Telephone handset, check that the handset is physically connected and that it is not broken or short-circuited.
What to do if sound is not emitted from Furuno Cordless Telephone speaker?
If the sound is not emitted from the speaker of the Furuno Cordless Telephone, check that the cable (Red & Black) is physically connected and that it is not broken or short-circuited.
Why is Furuno FM-4850 Cordless Telephone always on low power?
If transmissions are always on low power even when high power is selected on the Furuno Cordless Telephone, check the antenna or test the radio with another antenna.
General| Brand | Furuno |
|---|---|
| Model | FM-4850 |
| Category | Cordless Telephone |
| Language | English |
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