6.MAINTENANCE & TROUBLESHOOTING
This chapter provides information necessary for keeping your unit in good working order and remedying simple problems.
WARNING
Do not open the equipment.
Hazardous voltage which can cause electrical shock exists inside the equipment. Only qualified personnel should work inside the equipment.
6.1Preventive Maintenance
Regular maintenance is important for optimum performance. A maintenance schedule should be established and should at least include the items below.
Maintenance program
Item | Check point | Remedy |
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Control unit connector | Check for tight connection. | Tighten loosened connectors. |
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LCD | The LCD will, in time, accumulate | Wipe the LCD carefully to prevent |
| a coating of dust which tends to | scratching, using tissue paper |
| dim the picture. | and an LCD cleaner. To remove |
|
| dirt or salt deposits, use an LCD |
|
| cleaner, wiping slowly with lens |
|
| paper so as to dissolve the dirt or |
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| salt. Change paper frequently so |
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| the salt or dirt will not scratch the |
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| LCD. Do not use solvents such |
|
| as thinner, acetone or benzene |
|
| for cleaning. |
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|
Ground terminal | Check for tight connection and | Clean or replace ground wire as |
| corrosion. | necessary. |
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