LarryD:
That's odd.
I had to put a 10 ohm 5 watt on mine to get it to work.
I didn't try 10ohms, but yeah if it needs 500mA then 10K does seem waaaay too big. But it works....
(I do have a 10ohm one, so I might try it- it's just connected with terminal blocks so it's easy enough to swap out)