Question about Celestron NexStar 4 SE Telescope
Bintangchris: error 16 indicates a bad Hand controller, you may need to buy another one, also check all your connections going to the head assembly.Also error 16/17 indicates the HC cant communicate with the the RA/DEC control boards. It may need to go back to Celestron for repair.
Posted on Jun 28, 2011
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Posted on Jan 02, 2017
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