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Did you ever solve this issue? I am currently having the exact same problem...... --Jonathan

FYI: Because this answer wasn't anywhere that I could find, here is the solution to the locked display: Test the two hot leads feeding your main board and make sure the voltage is correct. In this case, 220v. ***(Please make sure you are competent enough to do this without killing yourself! Your life is not worth an $80 service call by a professional)***. My voltage was only 110 to the board due to an incorrectly wired emergency shut-off box. Test the breaker box to see that both load wires are carrying 220v. If they are not, call an electrician to fix the problem, or (again, please don't risk your life) fix it yourself after shutting the breaker off at the house. I hope this helps someone in the future!

James the Hot Tub Guy is the HOT TUB MAN!!! He had the right answer and the patience and the charity to walk me through the problem! Problem solved and help for future use too! He saved me lots 'o money and time!!! THANK YOU!! THANK YOU!!! I will absolutely use him for all of my chemical and spa needs from here on out! I will shop at Premier Hot Tubs as much as I can! There are still good people in the world! Merry Christmas James!

<br /><br /><br />Have you contacted Sundance? gman I did...they said I needed to have a service call for it (which I assumed would be their response)...I am hoping someone knows whether this is fixable by myself ( I am pretty mechanically inclined) or a a definite "replace" situation... i can help send me a email and i will call you premierhottubs@etcmail.com

<br /><br /><br />Have you contacted Sundance? gman I did...they said I needed to have a service call for it (which I assumed would be their response)...I am hoping someone knows whether this is fixable by myself ( I am pretty mechanically inclined) or a a definite "replace" situation...

My 2000 Sundance Cameo Hot Tub has a control panel (topside display) that will not unlock. None of the spa functions are operating. The display works, but when I go through the "unlock" procedure (from the owners manual)nothing changes. I turned off the breaker, cleaned up the wiring after the intital install and when I turned everything back on...it was locked. It was working perfectly for the previous 10 days after the initial install. What did I do? How do I fix this? Details: 240v to the tub Power light is on No heat No regular scheduled filtering going on Display buttons respond, flip, standard/economy, display. etc. heat and pump buttons make display read: LOC