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Please HELP - 240V pumps not starting but have power...

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Hottubguy:

--- Quote from: alderm on March 31, 2020, 01:59:14 pm ---Hey Thanks again.

OK so found the major issue -  The Large S Fuse had blown  (240V), I swapped it from my old board and it worked. (feel like an idiot) .
What was very strange was we were getting power from the board when I tested it and buddy also saw it. On the first startup, it must have blown. and the pump wasn't correctly wired...


Anyway now we have the pumps running and I'm getting a" heater may be dry message",  the water is only 4 Celcius and I'm hoping the issue goes away on its own..? We are sure water is going through the chamber but maybe we will open it up and see if there is debris.

The pumps are starting and stopping frequently on their own trying to clear the dry message I think, worried it isn't good for the pumps.. will report back.


As I'm getting lake water to fill it the water is cold...so hoping heater will kick in.

--- End quote ---

You didn't plug the pumps in on the board backwards did you?  This will cause this as well

CanadianSpaTech:
Is the pump that runs for heating and filtering moving water?
Dry is a flow error.
Remove filters as well. Dirty filters = low flow rate. Remove them even if they look clean until you can get it to run properly.

alderm:
OK Thanks to all your help - Yes It was actually because pump 1 should run on heat and we had it setup as pump 2 so It would stop pump 2 on heatup... Its working now - Thanks all for your help - really appreciated...

CanadianSpaTech:
Great. RD loves a happy ending

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