Replacing The Magnetron; Simple Troubleshooting; General - Furuno NAVNET 1734C Operator's Manual

8.4

Replacing the Magnetron

When the magnetron has expired, distant targets cannot be seen on the display. When you
feel that long range performance has decreased, contact a FURUNO agent or dealer about
replacement of the magnetron.
Model
MODEL 1724C
MODEL 1734C
8.5

Simple Troubleshooting

This section provides simple troubleshooting procedures which the user can
follow to restore normal operation. If you cannot restore normal operation do not
attempt to check inside the unit. Any trouble should be referred to a qualified
technician.

8.5.1 General

If...
you cannot turn on the
power
there is no response
when a key is pressed
Radar model and magnetron used
Magnetron Type
E3588
E3571
General troubleshooting
check for blown fuse.
check that the power connector is firmly fastened.
check for corrosion on the power cable connector.
check for damaged power cable.
check battery for proper voltage output (10.8 to 31.2 V).
turn off and on the power. If there still is no response the key may
be faulty. Request service.
8. MAINTENANCE, TROUBLESHOOTING
Code No.
000-146-866
000-146-867
Then...
8-3