hayward 400 locked in standby mode

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05-16-09, 12:26 PM

gomer

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Thread Starter

Join Date: May 2009

Location: ontario canada

Posts: 2

hayward 400 locked in standby mode-- need help!

hi all, just powered up my heater first time this season... and its locked in standby mode and bypass operation, it is controlled via aqua logic control panel. when i try to switch it into pool mode on the heater itself it does nothing, the panel shows "Bo" but i can't change, i've gone through most simple steps that come in the manual but still nothing... this is my 5th year with the heater and i have never had this happen. please tell me if im doing something wrong, and help me with it-- complete newbie..
any help would be greatly appreciated
Beer 4U2

Last edited by gomer; 05-16-09 at 12:41 PM. Reason: urgency

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05-19-09, 10:20 PM

TXtech

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Join Date: May 2009

Location: North Texas

Posts: 4

It's unlikely that you did anything wrong. Most likely, the display board has failed and should be replaced. You stated that it won't come out of standby mode using the "mode" button. I can't offer much more without the model number from the heater. You may be able to purchase the part and replace it yourself, if you're handy with electronic components. If not, contact a local servicer who is familiar with the specific heater you have and arrange a service call.