PC Board

Basically... How Does It Work? Why Does It Fail?

What Can cause a pcboard to fail? PCboards fail because of power outages, surges, and brownouts. Lightning is a common cause of pcboard failure. The spike or surge of volts can destroy the board. Also the relays on the board can fail or even connections. It's most common to replace the board than to try to fix or work around features of the board and make the board unsafe or unreliable. Also just use and time can wear out a board.

How Do I tell which board I have? Basically, you ID a board by the chip on the board OR a label stuck on the board. It will have number/letters on it. Example will be F106XXXXX or H276XXXX or 6600-XXX. The critical numbers on boards beginning with a LETTER are the first 4 numbers/letters. For boards that are all numbers, you need all the numbers to IF they match what you have. If you chip also includes a "Ver. XX" on the chip, just make sure you have a newer version or date.

Is it easy to install a new board? Hot tub boards are much like replacing a pcboard on your computer. All you have to do is be systematic with your approach. Even after replacing many boards since 1995, I still disconnect as few wires as possible noting which I am removing, swing the old board out, install the new board, and move wire by wire from old to new. As a safety step, always touch the control box to ground out any static charge you might have before touching a board.

What if my new board have parts or connections moved? This is common. As boards are upgraded, the OEM will move relays or connections. They are labeled. IF you are connecting a wire to a relay, just look at the old relay and match the spot on the new relay that is the same. IF you are in doubt, contact us before you proceed.

What are jumpers? Most PCboards have jumpers. They are the manual way to tell the board how this board to operate your model. Since boards can work in a number of configurations, it's important to make sure these jumpers are adjusted correct for your model. The easiest way is to ID this jumpers on the old board and match the new board to equal. Most boards have small little black pieces that jump the wires either together or separates them. Thus a "jumper". A few boards require cutting wires instead of jumpers. If it doubt, contact us before installing and turning on power. Do this wrong can harm the board permanently and is not covered under any warranties.

What is the filter timing? See Here

For Picture Help On Jumpers, Jumpers Tutor

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