15. MAINTENANCE, TROUBLESHOOTING
15-3
Magnetron replacement
When the life of the magnetron is reached, targets do not appear on the radar display.
If long-range performance appears to have decreased, contact your dealer about re-
placement 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 replacement (for TZT9/TZT14)
The life of the LCD is approximately 18,000 hours for TZT14, 25,000 hours for TZT9.
The actual number of hours depends on ambient temperature and humidity. When the
brilliance cannot be raised sufficiently, contact your dealer about replacement of the
LCD.
Fan replacement
The life of the each fan is shown in the table below. The actual number of hours de-
pends on ambient temperature. When the fan does not rotate sufficiently, an applica-
ble message appears. Turn off the power and contact your dealer about replacement
of the fan.
Radar Sensor Magnetron Code No. Estimated Life
DRS2D E3590 000-164-574-11 Approx. 5,000
hours
DRS4D E3571 000-146-867-11
DRS4DL 80-0691 001-266-460
DRS4A MAF1421B 001-025-710
DRS6A MAF1422B 000-158-788-12
DRS6A X-Class MAF1422B 000-158-788-12
DRS12A MAF1565N 000-174-559-10
DRS12A X-Class FNE1201 001-245-890
DRS25A MG5436(E2V) 000-140-762-10
DRS25A X-Class MG5436 001-205-570
Item Type Code No. Estimated Life
FAN MOTOR MFB52A-12HA-002 000-175-998-10 Approx. 21,000 hours
FAN MOTOR MFB30G-12A-003
(TZT9/TZT14 only)
000-175-997-10 Approx. 21,000 hours
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