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Author Topic: Hot springs highlife Model K (1995) hot tub not heating  (Read 2033 times)

jkillion

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Hot springs highlife Model K (1995) hot tub not heating
« on: October 20, 2015, 05:54:04 pm »
Hi,

My hottub is not heating.  Here is what I have done so far.

1) Verified that control and high limit thermistors are working correctly and reading correctly.  Ohm reading across the thermistors compared to chart and current water temperature
2) Verified that the flow switch is working (near 0 ohms when circulating pump is running)
3) Verified that heater is not broken working by checking resistance across two load wires (~9.8 ohms)

Here is the rub.  When I check the wires running to the heater I am getting the following readings via multimeter set to 600volts AC (lets assume A and B are the voltage wires and G is the neutral wire)
A-G - 140volts or so
B-G - 57 volts or so
A-B - 59 volts or so

I think it should read more like A-G, B-G being 120 and A-B being 220 or 240.

What causes this type of symptom?  I know its not heating because the heater isn't getting the correct amount of juice to do its job.  Is it a bad heater relay or something?

Thanks for your help.

Jud


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Hot springs highlife Model K (1995) hot tub not heating
« on: October 20, 2015, 05:54:04 pm »

 

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