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Ask poolguy810 Your Own Question
poolguy810, owner - pool and spa service company
Category: Pool and Spa
Satisfied Customers: 1675
Experience:  Servicing pools and all brands of spas for over 28 years.
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My H400 FDN that starts, but will not stay on for more than

Customer Question

my H400 FDN that starts, but will not stay on for more than 10 seconds. I just replaced the circuit board behind the control panel. Prior to that I was seeing the sB error code. Any suggestions on what may be wrong?
JA: How old is the appliance? Have you gotten error messages before?
Customer: 2 years old. This is the first time it has malfunctioned.
JA: Do you plan on doing the work yourself?
Customer: If I can
JA: Anything else we should know to help you best?
Customer: I believe the error code (sB) was caused by water getting on the board. I live in Houston, so we got a lot of rain a few weeks ago.
Submitted: 28 days ago.
Category: Pool and Spa
Expert:  Rick replied 28 days ago.

Welcome to Just Answer, my name is ***** ***** I will do my best to help you with your

issue. First I’ll need some more info so I have a more complete picture of your situation. When the burners only stay lit a few seconds it's usually a flame sensor error. Are you geting any error now?