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Billy, Technician
Category: Pool and Spa
Satisfied Customers: 22680
Experience:  Licensed in Hydronics and Boilers
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I've got a Hot Springs Grandee model G hot tub that has the

Customer Question

I've got a Hot Springs Grandee model G hot tub that has the power light flashing. It's been emptied, refilled (through the grey standpipe) yet the light keeps flashing and it won
JA: Who manufactured the hot tub?
Customer: t power up.What should I do?
JA: Do you plan on doing the work yourself?
Customer: yes
JA: Anything else we should know to help you best?
Customer: just replaced the heater and put in new filters.
Submitted: 1 year ago.
Category: Pool and Spa
Expert:  Billy replied 1 year ago.

I am very sorry your question has not been picked up yet.

I just logged on and found you had not been assisted.

Please let me know if you still need help and I will do my best. Please do not "Rate" as we have not worked toward an answer yet.

If you would like to proceed let me know by replying

Customer: replied 1 year ago.
please advise.
Expert:  Billy replied 1 year ago.

The unit has an open limit switch.

One of the sensors picked up a high temp fault and has remained open.

Do you know how to troubleshoot the sensor with a meter?

Customer: replied 1 year ago.
No I don't. Can you advise please?
Expert:  Billy replied 1 year ago.

The easiest way is for you to take a good picture of the circuit board and post here and I can draw check points on what/where to check.

Customer: replied 1 year ago.
Did you get this?
Expert:  Billy replied 1 year ago.

I cannot make out the board model number...could you get that for me please?

Customer: replied 1 year ago.
Board model number is: 100-01212 : 03
Expert:  Billy replied 1 year ago.

thank you! now this unit uses an electronic limit...first thing - have you turned power for at least one minute?

Customer: replied 1 year ago.
Several times. Breaker has been turned off for anywhere from 10 mins to a day.
Expert:  Billy replied 1 year ago.

when you turn on does the pump start running so there is water flow?

Can you remove the filter for a cycle ?

Customer: replied 1 year ago.
No. When I turn the breaker back on all that I get is the flashing "Power" light. No water flow.
Customer: replied 1 year ago.
Which filter is it that you want me to remove?
Expert:  Billy replied 1 year ago.

I think our problem is the pump failed...water stalled in heater and tripped limit.

But without water flow we are going no where...can you use the meter to see if the pump motor is getting power or is hot?