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279
Inspection items
(1) Cooling fan
The replacement interval of the cooling fan used for cooling the parts generating heat such as the main circuit semiconductor
is greatly affected by the surrounding air temperature. When unusual noise and/or vibration is noticed during inspection, the
cooling fan must be replaced immediately.
z
Removal
1) Push the hooks from above and remove the fan
cover.
3.7K or lower
5.5K or higher
2) Disconnect the fan connectors.
3) Remove the fan.
3.7K or lower
Example for FR-D740-1.5K
5.5K or higher
Example for FR-D740-7.5K
Fan connector
Fan
Fan cover
Fan
Fan cover
Fan connector
Summary of Contents for FR-D710W-0.1K
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Page 308: ...4 4 BCN C22005 652 MEMO bcnc22005652 fm 4 ページ 2013年12月26日 木曜日 午後12時58分 ...
Page 312: ...4 4 BCN C22005 689 MEMO ...