Chapter 6: Maintenance & Fault Finding | |
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6.3 Problem solving
Prior to packing and shipping, all Raytheon products are subjected to comprehensive test and quality assurance programmes. However, if this unit should develop a fault, please refer to the following table to identify the most likely cause and the corrective action required to restore normal operation.
If you still have a problem after referring to the table, contact your local dealer, national distributor or Raytheon Product Support for further advice.
Always quote the product serial number.
Fault finding
Problem | Correction |
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Unit does not function | 1. Make sure that the power supply cable is sound and that all |
| connections are tight and free from corrosion. |
| 2. Check polarity of the dc power cables for proper connection. |
| Reconnect leads if necessary. |
| 3. Check |
| 4. Check vessel’s power (battery) for correct voltage readings |
| (10.0Vdc to 18.0Vdc) |
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Poor display definition | Adjust contrast setting and/or backlight level |
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No position information | Check the GPSconnection |
| Check the GPSreceiver/antenna |
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No fix | Check that GPS receiver not obstructed |
No dfix (RC420 only) | Check beacon station coverage |
| Check antenna ground (see GPS antenna Installation Guide) |
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No NMEA data received | Check the POWER/NMEA connector and the NMEA equipment |
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Loss of stored data, | Return to dealer for internal battery chack |
eg. waypoints |
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No detailed chart data | Check that |
| Check that the |
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Other problems | visit website www.raymarine.com |
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