The Dianostic Lights when trying to start the heater is where to go next. When you tried to start the heater manually, did you have your automation system turned off so you can start it manually? If you did, when you tried to start the heater, wht happened? Did you receive any error codes? Were any of the System Indicator lights on? If you open the right hand side door, there will be a part with FENWAL on the sticker-near the top of the heater. Next to the word FENWAL, you should see a small arrow pointing up, there is a Red Diagnostic light above the arrow, is it flashing, and if so, how many times?
If you do not have an Owner's Manual for the heater, follow the link below and it will take you to one online. There are some trouble shooting ideas there also.
http://www.pentairpool.com/pdfs/MiniMaxNTOM.pdf
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Hi
Thanks for the taking the time to reply
Nothing is happening when I try to turn the heater on. The displayed temp will show the current temp of the pool water (76 degrees) and when I manually raise the temp, the value is displayed on the panel but does not turn on the heater.
I have checked the led inside and the light is not coming on.
I do have the manual- thanks for posting the link.
No error codes are displayed on the panel. the unit "appears" normal.
I'm wondering if the thermostat is causing the problem. Is there a way to test the thermostat?
any ideas?
Thanks
Doug
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