background image

Item

GMR Fantom 18

GMR Fantom 24

À

233 mm (9 

3

/

16

 in.)

233 mm (9 

3

/

16

 in.)

Á

227.5 mm (8 

15

/

16

 in.)

296.2 mm (9 

11

/

16

 in.)

Â

141.5 mm (5 

9

/

16

 in.)

141.5 mm (5 

9

/

16

 in.)

Ã

139.2 mm (5 

1

/

2

 in.)

207.7 mm (8 

3

/

16

 in.)

Installation Troubleshooting

Symptom

Possible Causes

The radar does 
not turn on. The 
status LED is not 
on.

• The power cable may not be connected correctly 

to the device or to the battery. Check all 
connections.

• The inline fuse may have blown. Check the fuse 

and replace it if necessary.

• The wire gauge used to extend the power cable 

may be too small for the length of the extension. 
Check the table provided in the Power Cable 
Extensions section of these instructions to make 
sure the correct wire gauge is used (

Power 

Cable Extensions

, page 3

).

The radar is not 
available on the 
Garmin device or 
on devices 
connected to the 
Garmin Marine 
Network.

• The radar may not be powering on. Check the 

status LED.

• The device software may not be up-to-date. 

Update the software on the device or on the 
Garmin Marine Network.

• The network cable may not be connected 

correctly to the device or to the Garmin Marine 
Network. Check all connections.

• If a field-installable network connector was used, 

it may have been installed improperly. Check the 
connector.

The status LED is located on the product label, and can help 

troubleshoot installation problems.

Status LED Color 
and Activity

Radar Status

Solid red

The radar is getting ready for use. The LED 
should be solid red briefly and change to flashing 
green.

Flashing green

The radar is operating properly.

Flashing orange

The radar software is being updated.

Flashing red

The radar has encountered an error. Contact 
Garmin product support for assistance.

© 2016 Garmin Ltd. or its subsidiaries

Garmin

®

 and the Garmin logo are trademarks of Garmin Ltd. or its subsidiaries, 

registered in the USA and other countries. GMR

 and Fantom

 are trademarks of 

Garmin Ltd. or its subsidiaries. These trademarks may not be used without the express 
permission of Garmin.

© 2016 Garmin Ltd. or its subsidiaries

support.garmin.com

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