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Nothing turns on. pb is displayed

Customer Question
nothing turns on. pb...
nothing turns on. pb is displayed
Submitted: 2 years ago.Category: Pool and Spa
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Answered in 1 day by:
8/11/2015
Pool and Spa Expert: Billy, Technician replied 2 years ago
Billy
Billy, Technician
Category: Pool and Spa
Satisfied Customers: 22,894
Experience: Licensed in Hydronics and Boilers
Verified
Hello,
is there fuses on the board?
Is the 240 measured directly at board?
Can you check for power to keypad?
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Customer reply replied 2 years ago
there is a fuse. each end of fuse is 123 volts to ground. The key pad has flat 4 wire phone type of connector. Can't read voltage. The water level sensors are the same type of wires.
Pool and Spa Expert: Billy, Technician replied 2 years ago
just to make sure...the wires are 123 to ground..but are they wire to wire..
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Customer reply replied 2 years ago
The display has power to it because the display has "pb" displayed. However none of the buttons function. If the water senors
are bad, this would cause the circuit board to stay off. is there a way to check the sensors? When the tub was full I taped on the sensor with no effect.
I will check the wire to wire now.
Customer reply replied 2 years ago
wire to wire is 245
Pool and Spa Expert: Billy, Technician replied 2 years ago
are you sure it is Pb or P6?
Pb is a power board (circuit board) communication error
P6 is a bad remote panel.
verify because the 6 and b in digital are very close
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Customer reply replied 2 years ago
pb not 6
Pool and Spa Expert: Billy, Technician replied 2 years ago
Thank you....first check lower board closest to motor is bad or has bad connections....reseat all wires and look for hot spots on board.
It is either bad connection or bad board.
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Customer reply replied 2 years ago
Ok
Pool and Spa Expert: Billy, Technician replied 2 years ago
If you need further info just use reply.
If all set for now use rate button
Billy
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Customer reply replied 2 years ago
Reset a connections and inspected board. there are no burnspots and caps are not swollen . Do you think it could be water sensors? With the display saying pb, it is probably a bad board.
Customer reply replied 2 years ago
Is there a good place to buy circuit boards and key pads?
Pool and Spa Expert: Billy, Technician replied 2 years ago
spadepot is a good resource...
shop around with circuit board number
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Customer reply replied 2 years ago
Do you agree that it is defiantly a bad circuit board?
Pool and Spa Expert: Billy, Technician replied 2 years ago
Pending the connections and harnesses are ok...then it would be board
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Customer reply replied 2 years ago
The board has been discontinued according to the manufacture. Are there places that repair boards? If I have to get new board, do u recommend a new key pad and transformer also?
Pool and Spa Expert: Billy, Technician replied 2 years ago
I steer clear of repaired boards.
You never have a warranty and never know the shelf life.
Generally whether ebay or a retrofit you can a board. As far as board, keypad and transformer....if you really like the tub and are willing to invest in it...its best to do a pak at once.
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Billy
Billy
Billy, Technician
Category: Pool and Spa
Satisfied Customers: 22,894
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