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Webb-Guy
Webb-Guy, Home Appliance Reparer
Category: Pool and Spa
Satisfied Customers: 928
Experience:  maitenance tech at casto
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I cannot get my master spa hot tub to adjust temp. How do

Customer Question

I cannot get my master spa hot tub to adjust temp. How do you disable temp lock?
Submitted: 1 month ago.
Category: Pool and Spa
Expert:  Webb-Guy replied 1 month ago.

Hello and welcome to just answer my name is ***** ***** I will be the one to assist you. If you have a lock button have you tried holding it for 5 seconds?

Customer: replied 1 month ago.
There is no lock button . I attatched the display that I have.
Expert:  Webb-Guy replied 1 month ago.

What is the model number? Do yo know?

Expert:  Webb-Guy replied 1 month ago.

if the panel is locked, here is how to lock/unlock the panel and how to lock/unlock the temp. setting:

Locking the Panel (PL )

Press "Time" "Jets 1" then "Warm" within 3 seconds. When locked, the PL

indicator light will light. All buttons are frozen except the "Time" button. To

unlock the panel, press "Time" "Jets 1" then "Cool."

Customer: replied 1 month ago.
The model number is ***** the hot tub is master spa M709856 and the top side control is x509010. There is no time button on the topside control.
Expert:  Webb-Guy replied 1 month ago.

To unlock the set temperature, press "Warm" or "Cool" then "Time", "Jets 1"

and "Cool."

Customer: replied 1 month ago.
There is no time button. If you could look up my topside control you will see what button are on there. I sent you the pic.
Expert:  Webb-Guy replied 1 month ago.

I see your picture now sorry about that.

Customer: replied 1 month ago.
with my control how do I take it out of temp lock mode?
Expert:  Webb-Guy replied 1 month ago.

press warm or cool and then jets 1 and cool

Expert:  Webb-Guy replied 1 month ago.

If that does not work I am going to open this up to other experts

Expert:  Webb-Guy replied 1 month ago.

Mode is changed by pressing the “Warm” or “Cool” button, then pressing the “Mode” button.

Customer: replied 1 month ago.
That didnt work.
Expert:  Webb-Guy replied 1 month ago.

Did you try the mode one as well?

Customer: replied 1 month ago.
I got it in stp. What port should my topside controll be plugged into?
Expert:  Webb-Guy replied 1 month ago.

I am sorry but I can not make anything out in that picture.

Expert:  Webb-Guy replied 1 month ago.

Is this the first time using this unit?

Expert:  Webb-Guy replied 1 month ago.

I notice the first picture said Pr which is not locked its priming mode.

Customer: replied 1 month ago.
There is 2 ports for the topside control to plug into. Just wasnt sure which one it was. Its plugged into the top on but i had both.
Expert:  Webb-Guy replied 1 month ago.

Yes plugged into the top

Customer: replied 1 month ago.
My heater is kicking off and on so it think its either stuck in economy mode which i have changed many times or its in temp lock. I had a electrical tech over today and he couldnt figure it out. I think it a customary setting with the control.
Expert:  Webb-Guy replied 1 month ago.

If it was stuck in economy mode it would say ECN on it. Your unit says Pr which means it is priming

Be sure the pumps and

heating system are free of air by cycling the pumps on and off with the spa-side panel buttons. The spa

will not heat during priming mode, allowing time to verify all air is purged from the heater. The Priming

mode will last for less than 5 minutes (press “Warm” or “Cool” to skip Priming Mode) and then the spa

will begin to heat the spa and maintain the water temperature in the Standard mode.

Customer: replied 1 month ago.
That pic I took was when I reset it after I moved the topside control to the the second port. I hate to be rude but i have tried everything that you have told me and nothing has worked. I would like some info on this direct topside control and model. Its either the control or a temp lock.
Expert:  Webb-Guy replied 1 month ago.

I understand its not rude at all. I was just saying you said it was locked the code was pr which means priming. I will open this up to others to see if they have an idea.

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