HOT TUB Not Heating Up / Hot Tub Circuit Board Problems
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- Опубліковано 8 вер 2024
- HOT TUB Not Heating Up / Hot Tub Circuit Board Problems
When you have tested everything in your hot tub, check to see if there's any burn marks on the circuit board. That might be the reason your hot tub is tripping the breaker or hot tub not heating.
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test everything you can first before you remove the board.
Yes my tub is only ever getting up to 86 F so theelement is gone! It's still under the 2 year warranty so hopefully my guy can fix it up. Thanks for the video. It seemed impossible to me that the thing would not heat up all the way but now I got it
Thanks.
Test the volts on the heater. If its 86F or in the 80s, its not heating. The heat from the pump motor running all the time is heating the water from under the tub. Test the volts on the heater element.
After doing some research on this problem it seems that this is incredibly common...
so much so that it really has become know in the spa repair business as a "designed to fail" intentionally flawed design that forces the customer to replace the ENTIRE control circuit board. Some boards are upwards of $700.
Ask why pool heaters do not have this problem..... because contactors (not relays) should be used to power a heater element....and those contactors are separate from the control boards.
The other insane thing about spa boards is that some circuit boards have circuitry that senses the voltage drop across the element to tell whether or not you have a heater problem....and they intentionally put the circuit runs on the board that accomplishes this on the solder joint under the relay that is most likely to get burned. Meaning that even if you replace the relay and repair the soldered connection to the board....your voltage sense function is still destroyed and the board still won't work. You must replace it.
IMHO The whole industry should be sued in a class action for intentionally building "designed to fail" circuit boards.
After doing some research on this problem it seems that this is incredibly common...
so much so that it really has become know in the spa repair business as a "designed to fail" intentionally flawed design that forces the customer to replace the ENTIRE control circuit board. Some boards are upwards of $700.
Ask why pool heaters do not have this problem..... because contactors (not relays) should be used to power a heater element....and those contactors are separate from the control boards.
The other insane thing about spa boards is that some circuit boards have circuitry that senses the voltage drop across the element to tell whether or not you have a heater problem....and they intentionally put the circuit runs on the board that accomplishes this on the solder joint under the relay that is most likely to get burned. Meaning that even if you replace the relay and repair the soldered connection to the board....your voltage sense function is still destroyed and the board still won't work. You must replace it.
IMHO The whole industry should be sued in a class action for intentionally building "designed to fail" circuit boards.
They use to have contactors and no relays. Then they had open relays. Now they are all enclosed. There's issues with all of them. A pool heater doesn't direct the voltage to another area, but a hot tub circuit does. The surging of power coming in and out can cause an issue I guess. Whenever we see a burnt relay there's always an underlying issue to cause it. Lose wire, wrong wire size, moisture. Some spa packs have no problems for years, some right away. Hard to say it's all of the boards. Put better relays maybe?
@@VIPPoolsandSpas Bingo! "Put in better relays". I have personally worked to fix 5 hot tubs where the heater failed and in all 5 cases it was exactly the same problem. (not the heater element but a burned control board). And people in the spa repair business have absolutely no incentive to tell the manufacturers how to fix the problem. They all use the same cheap Zettler relays that should be replaced after about 20,000 on/off heating cycles. If not the carbon buildup on the contacts because of arcing as the contacts close will eventually cause a "carbon film gap" between the contacts and that causes heat which is transferred down to the solder joint on the circuit board and melts the solder. and burns the board. Then along comes the spa repair man to keep on telling the customer that they must have had "moisture or a loose connection or the wrong size wire ". When I bought my hot tub 2012 I only looked at models that had a separate heater relay board and even that failed (because they still used those same cheap relays) but it was far far cheaper to replace the heater relay board than it would have been to replace the entire control board. The whole industry should at least adopt the separate board strategy...but they won't.