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Copyright
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lfaRadio Ltd. 2002-2008
www.alfaspid.com www.hy-gain.com RAK1 Manual Page 15
Page 15 of 21
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lfaSpid Rotator RAK1 http://Alfaspid.com http://www.hy-gain.com
Copyright
A
lfaRadio Ltd. 2002-2008
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lfa Radio Ltd. Trouble shooting tips
Before contacting MFJ, Please make the following tests:.
The following are some trouble shouting tips, if for some reason your
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lfaSpid will not
operate correctly.
It is important to confirm correct operation before installing on the tower. This will rule
out any damage that may have been caused by the shipping company.
Check the Limits - PH and PL settings and rule out overlap.
Simple resistance tests can reveal incorrect or shorted wiring.
Pins 1 and 2 are the motor winding and will have a low resistance. Typical 2 to 3
ohms.
Pins 3 and 4 are the sense lines and typically will have either an open circuit or have
about 1200 ohms depending on the status of the reed switch in the rotator and the
length and gauge of used wire.
There should be no conductivity between 1 and 3 or 1 and 4, or between 2 and 3 or 2
and 4
All lines should have no conductivity to ground.