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Hello All, Hope i'm in the right place for a hot tub heater question. I have a Pentair Minimax NT tsi heater. I tried to heat up the hot tub the other day and the following happened. The heater came on. I have the model with the little glass window. I could see a small glow of the starter, then the burners lit (the glow through the window was brighter and more intense), the fan blew HOT exhaust out of the top exhaust...it ran for several seconds and then the burners and igniter went out. The fan continued to blow warm-ish air out of the exhaust. Several seconds later the igniter started to glow, the burners lit and HOT air was coming out the top. It shut down again. This cycle happened a couple times and then the service light came on and it threw an E05 code. I bought and replaced the Thermistor and a new igniter. Still same codes. I ordered a new flame sensor and will put that in when it comes in. Is there something more i should be doing? Am I going in the wrong direction? Thanks in advance for your expertise, Gabe
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Hello All, Hope i'm in the right place for a hot tub heater question. I have a Pentair Minimax NT tsi heater. I tried to heat up the hot tub the other day and the following happened. The heater came on. I have the model with the little glass window. I could see a small glow of the starter, then the burners lit (the glow through the window was brighter and more intense), the fan blew HOT exhaust out of the top exhaust...it ran for several seconds and then the burners and igniter went out. The fan continued to blow warm-ish air out of the exhaust. Several seconds later the igniter started to glow, the burners lit and HOT air was coming out the top. It shut down again. This cycle happened a couple times and then the service light came on and it threw an E05 code. I bought and replaced the Thermistor and a new igniter. Still same codes. I ordered a new flame sensor and will put that in when it comes in. Is there something more i should be doing? Am I going in the wrong direction? Thanks in advance for your expertise, Gabe
