E90 spa intex. Links to parts 2 and 3 below instructions. Check the attached troubleshooting guide. The e90 code on the intex spa is due to a dirty water flow sensor.
Sorry this is in 3 parts. Just took another look theres a flow sensor just after pump and then one after heat exchange unit the sensor after heat is working but when flowing there isnt enough pressure to push the magnet up to sensor. How to fix code e90 on an intex spa.
After replacing this spa twice i finally figured out how to fix the e90 code very easily without taking anything apart. Intex pure spa 4 person inflatable portable hot tub with 6 questions answers intex pure spa 4 person inflatable portable hot tub with 6 filter cartridges. Took the inlet off of the gasket between the heating element and the pump.
Remove the control panel and all the screw holding the casing on. It sounds like the reason for the lack of water flow is an airlock. Ended up being the motor for th.
Emptied the spa fill with water and turn it on e90 kept coming up. I have an intex spa for over a year. Recently tired to use the it but when turning on the water heater i would get error e90.
Remove the control panel and all the screw holding the casing on. An airlock will form if there is a small leak somewhere in the system that may not be large enough to leak water out but will allow air to come in. What should i do if code e90 appears on my air bubble spa control panel.
Same type as 11699 but outside diameter is one and half. The e90 code on the intex spa is due to a dirty water flow sensor. File viewers may be required to view some of the attached documents above.
In the white plastic piece on the discharge top hose you will see a silver nut with a black wire coming from it. Ok after research i guessed that there was a reset button on the impeller motor.