24. MAINTENANCE AND TROUBLESHOOTING
24-2
24.2 How to Replace the Fuse
The fuse in the Processor Unit, Monitor Unit and Sensor Adapter protects those units
from overvoltage (overcurrent) and internal fault. If a unit cannot be turned on, check
if its fuse has blown. If a fuse has blown, find out the cause before replacing the fuse.
If the fuse blows again after replacement, contact your dealer for advice.
24.3 Trackball Maintenance
If the cursor moves abnormally, clean the trackball and inside the trackball housing (in-
cluding the lens) as shown below:
1. Turn the retaining ring on the trackball module in the direction of the arrows (see
figure below) to unlock it, then remove the retaining ring.
2. Use cellophane tape to remove the trackball from the trackball housing.
Place the trackball and the retaining ring on a clean, soft cloth laid on a flat sur-
face.
3. Clean the ball with a damp, soft cloth, then use a dry, lint-free cloth to carefully
wipe the ball dry.
4. Use a swab, moistened with water, to carefully clean the inside of the retaining
ring, the inside of the trackball housing, the supports and the lens. Change the
Unit Power supply Type Code no.
Processor Unit
EC-3000
100-115 VAC FGMB 125V 10A PBF 000-157-470-10
220-230 VAC FGMB 250V 5A PBF 000-157-570-10
Monitor Unit Refer to the Operator’s Manual for the Monitor Unit.
Sensor Adapter
MC-3000S
24 VDC FGMB 125V 3A PBF 000-157-481-10
WARNING
Use the proper fuse.
Use of a wrong fuse can damage the
equipment or cause fire.
Trackball
Retaining ring
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