Heater shows power, I had to replace three mother board according to tec. Still no sign of egniting. All it does is shows code of bd? what is that? do i need to reset something. help prices are killing me.
SOURCE: Error code LO
Is the heater installed indoors?? if so you'll need a vent pressure orifice kit.
if not check your water press. (below 18 PSI on filter) Place filter on "recir" if it fires and stays on . it's the pressure.
check to see if all connections a set tight hi-ltd switch wire harness etc.
SOURCE: hayward pool heater c4205 has error message of LO
lo usually indicates insufficient water flow and/or pressure switch malfunction.make sure filter is clean and pressure is in normal range
SOURCE: same problem pool heater shows hayward pool heater bo error
BO means that you have bypassed operations. ie automation. if no automation is present then press and hold the Down arrow and Mode button for 3 seconds.
SOURCE: Pool heater will not ignite
My heater worked ok , btu made a clicking sound, now it shows a AO error? What can I do I dont have enough money to call a pool man again.
SOURCE: Pool Heater with communication (CE) Error
Code "CE" stands for communication error and describes a fault between the mother board and the display. I doubt it's the relay causing it though...
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