20 Most Recent Hayward 250kbtu Ng Pool Heater - Inground - Page 9 Questions & Answers

It means it time for a new one

There is air trapped in the unit. Hold it under water and rotate it over and over

Check your manual

even when the unit is off (but powered up), there should be information on the display board. if not, the heater will not work. all the boards 'communicate' with each other

The gas leak could be coming from somewhere other than the spa.I recommend you get a gas fitter to check out your gas system.

check the roll out switch!

possible start run capacitor failure hard to turn while on indicates bearing failure allowing the armature to touch the field poles

have it checked out by a gas professional the white smoke could have been moisture in the insulation but the gas supply side should be professionally checked