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Internal cooling fan

Changed the lamp-and now manual states that internal cooling fan has
problem and call for service ---can you help?

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Go back and recheck all of the access doors. If any are not closed completely, the unit won't power up. Also check to be sure that the fan spins freely and that there is no excessive dirt in the area. There are air flow sensors also that will shut the set down.

Keep us posted.

Posted on Feb 07, 2009

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Hitachi only offers service manuals online and only to authorized repair shops with a user name and password. If two fans ARE involved it is unlikely both would be bad---flying by the seat of our pants I would suggest if possible to check the voltage at the fans---or even spin them to see if they will suddenly work---dirt can cause a fan to slow or stop and the set would either shut down or issue some kind of "fan failure" or temperature warning.

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