Japan Radio Co. JFE-680, Instruction Manual

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8 8. . T Tro roub ublesho leshoot otin ing g
The table below provides simple troubleshooting procedures which you may follow to restore The table below provides simple troubleshooting procedures which you may follow to restore
normal
normal operation. operation. If If you you cannot cannot restore normal restore normal operation, contact operation, contact your your dealer. dealer.
SYMPTOM SYMPTOM PROBA PROBABL BL E E CAUSES CAUSES REMEDY REMEDY
The The power power cord cord is is not not plugged plugged Plug Plug the the power power cord cord
The The power power cord cord is is damaged damaged Repair Repair the the cord cord
The The breaker breaker of of your your ship ship is is off off Turn Turn on on the the breaker breaker
High High or or low low power power supply supply Check Check the the supply supply voltage voltage
No picture No picture
Fuse Fuse blown blown Replace Replace the the fuse fuse
Transducer cable is not Transducer cable is not
connected
connected
Connect the cable Connect the cable
Transducer Transducer cable cable damaged damaged Repair Repair the the cable cable
Transducer Transducer is is not not connected connected Connect Connect the the transducer transducer
Wrong installation of the Wrong installation of the
transducer
transducer
Check the transducer Check the transducer
No echo sounding picture No echo sounding picture
Frequency Frequency setting setting is is wrong wrong Check Check the the frequency frequency setting setting
Low Low sensitivity sensitivity Increase Increase the the gain gain
Muddy Muddy seabed seabed Increase Increase the the gain gain
Marine Marine life life on on the the transducer transducer Remove Remove marine marine life life from from the the
transducer. transducer.
The The transducer transducer is is damaged damaged Replace Replace the the transducer transducer
Draft Draft value value is is not not collect collect Adjust Adjust draft draft value value
Irregular display Irregular display
Suspect Suspect dirty dirty water water Decrease Decrease the the gain gain
Noise Noise from from generator generator Check Check the the generator generator
Wrong installation of the Wrong installation of the
ground wire
ground wire
Relocate the ground wire Relocate the ground wire
The transducer cable is The transducer cable is
damaged
damaged
Repair the transducer cable Repair the transducer cable
Heavy noise Heavy noise
The transducer cable and the The transducer cable and the
power code are placed too
power code are placed too
close. close.
Relocate the transducer Relocate the transducer
cable and the power code
cable and the power code
not too close. not too close.
The The printer printer won’t won’t start start Fuse Fuse blown blown Replace Replace the the fuse fuse
8. 8. Troubleshooting Troubleshooting 40 40