Furuno 1932, 1942, 1832 manual Troubleshooting

Page 37

5.3 Troubleshooting

Table 5-2 contains simple troubleshooting pro- cedures which you can follow to try to restore normal operation. If you cannot restore normal operation, do not attempt to check inside any unit of the radar system. Any repair work is best left to a qualified technician.

Table 5-2 Troubleshooting table

 

 

 

 

 

 

If...

But...

Then...

 

 

 

 

 

 

 

you pressed the

the control panel

• try adjusting the control panel back-

 

 

[POWER] key to

does not light

lighting on the OTHERS menu.

 

 

turn on the radar

 

• battery may have discharged.

 

 

 

 

• check fuse in power cable.

 

 

 

 

 

 

 

 

nothing appears on

• try adjusting the brilliance.

 

 

 

the display or display

 

 

 

 

contrast is poor

 

 

 

 

 

 

 

 

 

characters are

• request service.

 

 

 

distorted

 

 

 

 

 

 

 

 

the radar has

the antenna does not

• the problem may be in antenna unit.

 

 

warmed up and you

rotate

Request service.

 

 

pressed the

 

 

 

 

characters and

• have a qualified technician check the

 

 

[STBY TX] key to

 

 

indications are

set.

 

 

transmit

 

 

abnormal

 

 

 

 

 

 

 

 

 

 

 

 

you have adjusted

neither noise nor

• check signal cable for damage.

 

 

the gain with A/C

targets appear

 

 

 

RAIN and A/C SEA

(indications and

 

 

 

off

markers do)

 

 

 

 

 

 

 

 

 

neither indications nor

• check signal cable for damage.

 

 

 

markers appear

 

 

 

 

(noise and targets do)

 

 

 

 

 

 

 

 

 

the sweep (radial line

• the problem may be in the antenna

 

 

 

sweeping around the

unit. Request service.

 

 

 

display) is not

 

 

 

 

synchronized with

 

 

 

 

antenna rotation

 

 

 

 

 

 

 

 

 

there is no change in

• request service.

 

 

 

sensitivity

 

 

 

 

 

 

 

 

a key is pressed

nothing happens

• key may be faulty. Request service.

 

 

 

 

 

 

 

 

 

 

 

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Contents Page 00080788713 Important Notices Radio Frequency Radiation Hazard Compliance with R&TTE Directive 1999/5/EC Foreword Table of Contents Model 1832 Specifications Vii SpecificationsViii OptionEquipment List Installation Materials Configuration of Model 1832/1932/1942 Xii How Radar Determines Range What is Radar?How Radar Determines Bearing Radar DisplayHow radar works Control Description Basic Operation125 NM Display Indication and MarkersTurning the Radar On/Off Economy modeTransmitting Stand-byAdjusting Receiver Sensitivity Adjusting Picture BrillianceAdjusting the A/C SEA Control reducing sea clutter Selecting the RangeAdjusting the A/C SEA control Adjusting the A/C Rain Control reducing rain clutterTip for adjusting the A/C SEA Adjusting A/C RainMeasuring the Range Erasing the Heading Line, North MarkBy range ring By cursorMeasuring the Bearing Using the Offset EBLBy EBL Predicting collision courseShifting off centering the Picture Cancelling shifted pictureMeasuring range and bearing between two targets Zoom Cancelling zoomBasic Menu Operation Selecting the Presentation ModePress the Menu key to close the menu Magnifying Long Range Echoes echo stretch Echo TrailSelect OFF deactivate at Echo Trail on the menu Suppressing Radar InterferenceSelecting Pulsewidth Guard AlarmMentally create the guard zone you want to set Guard WatchmanGo into the Others menu, and set 15. Watchman for off Displaying Navigation DataFollowing summarizes the Other Menu Other Menu DescriptionFunction Keys Adjusting Brilliance of MarkersSuppressing Noise Outputting Target PositionSide-lobe Echoes Multiple EchoesIndirect Echoes Indirect echoes Blind and Shadow SectorsMaintenance & Troubleshooting Troubleshooting Self Test Unpacking the antenna unit Where the temperature is more than 70 CSiting, handling considerations Mounting ModelMounting platform Wiring and final preparationMounting Model 1932 Connections Fasten the cable gland assemblyWaveguide Groove Final preparationYou will need an Nmea cable Navigation aid, video sounder con- nectionMounting considerations MountingHeading Sensor Connection Heading signal can be connected to the HDG connectorInput/Output Data List Preparation Tick boxWhen adjustment is completed, the mes- sages disappears Adjusting tune/videoEntering antenna height Adjusting sweep timing Adjustment range0.000~3.239nm Adjusting MBS Adjustment 0.00~0.25Magnetron heater voltage Setting a blanking areaThis page is intentionally left blank Menu Tree ARP-10 Option Targets violating CPA/TCPA Limits, Visual alarm against lostTargets AP-4 Auto acquisition area is predefined between One minute after acquisition Vector still un- reliableAP-6 AP-7 Not used ARP-10Make sure the follows on Self Test menu Page Hatai Page Marine Radar Marine Radar