16. MAINTENANCE, TROUBLESHOOTING
16-2
16.2 Fuse Replacement
The fuse in the fuse holder in the power cable protects the equipment from high elec-
tric current and equipment fault. If you cannot turn on the power, check the fuse to see
if it has blown. Find the reason for the blown fuse before you replace the fuse. If the
fuse blows again after the replacement, contact your dealer for advice.
16.3 Life of Parts
Magnetron
When a magnetron reaches the end of its life, targets do not appear on the radar dis-
play. If long-range performance appears to have declined, contact your dealer about
replacement of the magnetron.
The total time of power-on ("ON TIME") and transmission ("TX TIME") are displayed
on the radar screen during the stand-by mode.
LCD
The life of the LCD is approximately 50,000 hours. The actual life of the LCD is affect-
ed by the operating environment (temperature, humidity, etc.). When nearing the end
of its life-span, the LCD brilliance does not adjust correctly. When this occurs, contact
your local dealer for advice.
Name Type Code No. Remarks
Fuse
FRU-60V-FU-4A 000-197-093-10 For TZT12F
FRU-60V-FU-7.5A 000-197-094-10 For TZT16F/TZT19F
Radar Sensor Magnetron Code No. Approx. Life
DRS2D E3590 000-164-574-11 5,000 hours
DRS4D E3571 000-146-867-11 5,000 hours
DRS4DL 80-0691 001-266-460 5,000 hours
DRS4DL+ 80-0691 001-266-460 5,000 hours
DRS4A MAF1421B 000-158-786-11 5,000 hours
DRS6A MAF1422B 000-158-788-12 5,000 hours
DRS6A X-Class MAF1422B 000-158-788-12 5,000 hours
DRS12A MAF1565N 000-174-559-10 5,000 hours
DRS12A X-Class FNE1201 001-245-890 5.000 hours
DRS25A MG5436(E2V) 000-140-762-10 5,000 hours
DRS25A X-Class MG5436 001-205-570 5,000 hours
WARNIN
Use the proper fuse.
Use of the wrong fuse can cause fire or
electrical shock.
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