linker33
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127 SLT No Response 16 error
in Discussions - Mounts
Posted
I have a 127 SLT Nextstar+ that recently developed a No Response 16 error. Pressing the Back button allows the Alt to work, however the Azimuth doesn't.
Version under utilities shows the following:
HC: NXS .31.9200
MC: ?.?? 5.18
There seems to be only one MC chip, with both motors testing continuity to it. On MCupdate, it is recognizing the ALT motor, but not the Azimuth. I have tried updating the MC board to all available options on MCupdate, and all fail connecting. Updating with CFM goes through with no issue.
I reflowed all connections on both boards in the mount, and tested continuity on the cable.
Did factory reset by pressing 0 when starting.
Input voltage is fine
Swapped the ALT and AZ motor connections to eliminate a motor issue.
Any other suggestions?