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This is the original keypad. I tried the other one as well. It had the same result. I guess I need to look at the display board again.

I ordered and installed a new ICB, specifically for an H400IDL2 series heater. Now when I turn on the heater, there is no error code, but the display indicates it is in pool mode. Pressing the mode switch has no effect. If I set the temp higher than the pool temp, the heater comes on and works...

Now you tell me - haha. I think I ordered the wrong one. It was a kit that included the display board, bezel, and ICB. The display board started with IDXL and said it was compatible with the H400IDL2 heater. I figured the rest of the kit was compatible as well. Anybody need a Universal FD ICB...

Re: Hayward 400IDL2 Heater Problem - Error Code "bd" Both boards look fine. I did check the fuses on the fuse block and also checked for 120v on the fuse board and to the ICB via the harness. The blower does come on for 20 sec whenever I start the heater, so that is telling me the...

Hi Paul, I did try that for about 30 seconds. Craig

Like many others, I too experienced the Hayward "ce" error on my heater. Two circuit boards each had a burnt 330 ohm resistor, R15 on the Display board, and R45 on the Integrated Control board. Being a life-long tinkerer, I replaced the resistors and attempted to use the boards again. They did...