Question about Hayward 11kw Electric Spa Hot Tub Heater Cspaxi11 ()
When the heater is switched ON, the red light indication comes ON, but, the water isn't getting heated. Then i disconnected the electrodes and found that there is no continuity between the electrode terminals which indicates that the electrodes are faulty. I removed the electrodes and found that there are some holes present on it (i.e. bursted). I replaced them with the new electrodes but after 5 months the same problem re-occurred. Again the heater elements bursted. Need to find a permanent solution to this.
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Posted on Jan 02, 2017
sounds like a flame sensor.remove ignitor assembly and clean with fine emory cloth or steel wool.when properly cleaned it should feel smooth for entire length of sensor
Posted on Jun 21, 2009
hayward millivolt htrs are very difficult to light manually.i'm assuming your piezo ignitor is mal-functioning.use a grill lighter withn a goose neck and follow aluminu pilot tube to pilot hood
Posted on Jun 21, 2009
Try cleaning your filter if dirty there will not be enough flow to llet heater fire. If filters clean you can try jumping the pressure switch.
Posted on Jun 25, 2009
Adjust the switch fully in the opposite direction. If you are at 1.5 you are at the light end of the adjustment range of that switch, which can be adjusted up to 5psi. Then let it back off until it works reliably. Rarely do you need to adjust a pressure switch on an above ground pool so it should end up about in the middle of the adjustment scale.
Posted on Jul 10, 2009
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Jan 15, 2015 | Water Water Heaters
These two lights indicate a fault in the heating circuit.
You would require to have access to and be able to use a multimeter to test the heater if the machine isn't actually heating the water.
If it is heating the water then obviously we know the fault isn't with the heater.
Check the heater first.
Take the door apart and check the wiring in the door isn't broken.
If everything checks ok, take the pcb out, look for burned or dry joints around the relays.
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