Manual - TC.P Quadro
Maintenance of the hardware
2016-08-05
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V04.52
7
7.1.2.
Fans
The TopCon power supplies contain 1 to 7 temperature-regulated, ball
bearing mounted fans to cool the electrical and electronic components.
Life-expectancy
– fans
Life-expectancy per fan with an average ambient tem-
perature of 40
°
C
40,000 operating hours
Table 149 Life expectancy of electrical fans.
Depending on the device version, the fans may be visible from the exte-
rior.
Use a torch and check at regular, intervals with the device switched on,
whether the fans are rotating.
7.1.3.
Electrolytic capacitors
TopCon power supplies have electrolytic capacitors in the DC interme-
diate circuit.
Life expectancy
– capacitors
Life-expectancy of the electrolytic capacitors with an
average ambient temperature of 40
°
C
100,000 operating hours
Table 150 Life expectancy of electrolytic capacitors.