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Tub has power but no readings on top side control panel tub

Customer Question
tub has power but no...
tub has power but no readings on top side control panel tub does not go through start up modes
Submitted: 6 months ago.Category: Pool and Spa
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Answered in 2 minutes by:
5/9/2017
Pool and Spa Expert: James I, Pool Plant Manager replied 6 months ago
James I
James I, Pool Plant Manager
Category: Pool and Spa
Satisfied Customers: 114
Experience: 10 years experience in managing water quality, pumps, UV, Dosage, lighting and filtration systems.
Verified

Hi Fred, start by checking the fuses on the main control board which is where the mains cable comes into the hot tub.

Most likely one of these has blown, and preventing power getting to the control panel.

Let me know how you get on.

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Customer reply replied 6 months ago
fuses are good and good 240 v incoming power
Pool and Spa Expert: James I, Pool Plant Manager replied 6 months ago

If the fuses are good, it suggests you have a faulty control panel or transformer which powers the control panel.

Use a multi meter to trace the wiring back from the control panel back to the main PCB.

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Customer reply replied 6 months ago
all traces check out good
Customer reply replied 6 months ago
the only red out i get when i power up tub is 88;88 then it goes blank
Pool and Spa Expert: James I, Pool Plant Manager replied 6 months ago

That suggests you have a faulty PCB then, as its not communicating with the control panel.

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Customer reply replied 6 months ago
everything works fine now but still wont heat. heater lite blinks and then in couple minutes shuts the hole tub down I got a reading of 38 olms on both heater sensors. Do not know what the correct olm reading should be but they both read the same
Pool and Spa Expert: James I, Pool Plant Manager replied 6 months ago

Its most likely to be the flow control sensor, the heater will shutdown if there is insufficient flow through the heater.

Check the flow sensor, as for the ohm reading for your temp sensor is in range there is no specific figure as its variable based on the temp.

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Customer reply replied 6 months ago
where is the flow sensor on a platnum legend tub
Pool and Spa Expert: James I, Pool Plant Manager replied 6 months ago

If you can attach a picture of the pipe work I should be able to identify it for you.

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