15. MAINTENANCE, TROUBLESHOOTING
15-2
15.2 Life of the Parts
Fuse replacement
The TZT has a fuse that protects the TZT from high electric 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 information. A wrong fuse can damage the equip-
ment.
Lithium battery replacement
The lithium battery on the Main board in this equipment keeps the time data of the in-
ternal clock alive when the power is turned off. The life of the battery is approximately
three years (in power-off). When the voltage of the battery is low, the message re-
questing replacement appears at the top of the screen. When this occurs, contact your
dealer about replacement of the battery.
Note: Dispose of the battery in accordance with local regulations.
Radar antenna Dirt on the radar antenna
can reduce the sensitivity.
Clean the radiator (or radome) with a
cloth wetted with freshwater. Do not use
commercial cleaners to clean the radia-
tor. Those cleaners can remove paint
and markings.
Name Type Code No. Remarks
Fuse FGBO-A 125V 4A PBF 000-155-851-10 For TZT9/TZTBB, 24 VDC
Fuse FGBO 125V 7A PBF 000-155-831-10 For TZT9, 12 VDC
Fuse FGBO-A 125V 5A PBF 000-155-853-10 For TZT14, 24 VDC
Fuse FGBO 125V 10A PBF 000-155-826-10 For TZT14/TZTBB, 12 VDC
Part Type Code No. Remarks
Lithium battery CR2032H - Use of Japanese make bat-
tery is recommended.
Check item Check point Remedy
WARNING
Use the proper fuse.
A wrong fuse can damage the equipment
and cause fire.
Use the proper lithium battery.
A wrong lithium battery may burst.
CAUTION
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