Furuno gp-150-dual Guía Del Usuario

9. MAINTENANCE & TROUBLESHOOTING 
 
 

The table which follows provides 
troubleshooting procedures which you can 
follow to restore normal operation. If normal 
operation cannot be restored, ask your 
dealer for advice. 

 
 
 
 
 
 

 

If… Then… 
you cannot turn on the power 

• 

check power connector for tight connection. 

• 

check if ship’s main is off. 

• 

check for blown fuse. 

position cannot be fixed 

• 

check antenna cable for tight connection and water leakage. 

• 

check if functional satellite has been disabled:   

MENU ESC, 9, 6 

position is wrong 

• 

Check if correct geodetic chart is entered: 

MENU ESC, 9, 6 

• 

apply position correction to GPS position: 

MENU ESC, 9, 6 

position sometimes cannot be 

fixed 

• 

DOP figure may be too small. Enter larger figure; 20 is the 

usual setting. 

data cannot be transmitted to 

external equipment 

• 

check if data format is correct:   

MENU ESC, 9, 3 (9, 4 or 9, 5) 

See the chapter on installation for further details. 

• 

tx interval may be set to “0”. Select proper interval. 

MENU ESC, 9, 3 (9, 4 or 9, 5) 

See chapter on installation for further details. 

• 

check appropriate settings on external equipment. 

• 

check connections: 
GP-150-DUAL     Ext. equipment 
TXD-H       ↔          RXD-H 

TXD-C       ↔          RXD-C