Olympus TH4, Инструкция по эксплуатации, Страница: 22 / 24

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Check results (Date)
Check items / / / /
1. More than 8 years have passed since original purchase or the total power ON
time has exceeded 20,000 hours.
2. Lamp does not light sometimes even though the main switch is set to on.
3. Illumination flickers when you move the lamp cable or lamp housing.
4. Lamp cable is unusually hot to the touch.
5. Scorching or burning odor is produced during use.
6. Illumination still flickers after replacement with a new lamp bulb.
7. Deformation, backlash, or looseness, etc. when you assemble the lamp hous-
ing. (Impossibility of removing the top section of lamp housing when you at-
tempt to replace the lamp bulb, etc.)
8. Extreme discoloration of the lamp housing connection terminal or lamp socket.
Uneven discoloration of the left and right sections of these parts.
9. Discoloration, deformation or cracking of the lamp housing.
10. Melting, crack, deformation or solidification of the lamp cable or a wiring part.
11. Increased frequency of servicing compared to similar devices put into use at
the same time as the lamp housing.
*
When the Check Result columns become insufficient, copy this sheet.