Errores celestronianos

http://www.celestron.com/c3/support3/index.php?_m=knowledgebase&_a=viewarticle&kbarticleid=2434

What does the hand control message No response 16 (and/...
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Celestron Support
CreatedOn: Nov 18 2010 02:07 PM "No response" means that the hand control has lost communication with the electronics board within the base of the telescope. The number following this message will indicate theaddress of the component that has lost communication. 16 indicates the azimuth or RA motor board, 17 the altitude (declination) motor board. Unfortunately, this number doesn't tell why the error hasoccurred. To clear the no response messages, repeatedly press UNDO. This fix may be only temporary and does not address the potential underlying problem. There are several reasons why this errormessage would appear. Insufficient power is the most common. Check your power supply. If the DC battery is low, the scope will be unable to communicate with the base of the telescope. If you are using anAC adapter, please make sure that the adapter is rated for an output of 12 volts DC at a minimum of 2500mA (2.5 Amps). If your adapter puts out less current than 2500mA, the scope will not be able tocommunicate properly. Check all power connections including the power port pin for solid connectivity. If you have a cable in the PC port (of a mount that has a PC port) that is not connected toanything, then this can also cause the messages to appear. The next potential causes: the hand control, the motor control circuit board, the motors, or the cables-wiring-connectors in between. Plug in thehand control to an AUX port and see if this eliminates the message. CGE DEC and RA cables are easy to check and swap around to see if it's these cables or their ports. Advanced GT mounts similarly havethe DEC cable that might be the problem. Try reflashing (updating) the motor control firmware. If you are able to update the hand control but not the motor control, the problem is most likely the...