Question about Pentair IntelliChlor System
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Posted on Jan 02, 2017
SOURCE: service light on
I just had the same problem resolved, my mastertemp 400 would run up the temp to 82F and then cutoff, the service light flashes and then 50 seconds later the heater would restart and run for 2 minnutesbefore shutting down again and relighting in 50 seconds. Repeating until the temp setting is reached.
I had the pool guy out 3 times until he found a bad thermal regulator valve (kit #77707-0010). Once replaced the heater runs great.
He told me that it's my pool chemestry that is to blame, I had it checked (like I do weekely by me and monthly by the pool supply store) and it perfect??? I'm now questioning what caused the corroson and stop it from coming back?
I hope tis helps.
Posted on Feb 06, 2009
SOURCE: pool heater seems to fire,
It's not reading the flame. This could be many things. If you have an electronic ignition you will find a wire going down to the front of the firewall to just above where the burners go into it. It connects to a piece that has one screw holding it and that goes through the wall and into the burner box. If you pull the tray and inspect the burner just below it their may be soot or something keeping the flame from getting to this probe. If the wire from the probe is grounding any where of if it got rat chewed this can cause this problem. Follow this wire to the top of the heater and make sure it is securely fastened to the ignition control on the terminal that says sense. It could be these problems or the ignition control box may have gone bad (ooo! noo! $$$) At two years old I would think sooted burners or a bad wire. Also when you have the tray out you can remove the orfaces that feed the gas to the tray and check for spider webs. The orfaces unscrew with I believe a 3\8 wrench,(I could be wrong) Start with the one under the probe. These webs will look like tiny cotton balls and you can clean them by blowing out or with a tooth pic. I live in Phoenix and this is not a problem in the desert but in many places it is. So if you don't live in a desert this could be a good place to start also. Good luck
Posted on Oct 17, 2010
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