Hayward 250kbtu Ng Pool Heater - Inground "vacuum switch error" Questions

...vacuum switch open? Where is the blower vacuum switch? Just left of center inside the top of the front cabnit.(where the hayward label is) It's about 2 1/2" around and has two small hoses coming from ...

...vacuum switch open error If the blower prover switch does not close after the blower starts the control will stop the ignition trial go into lockout. The blower will continue to run. Automatic reset ...

...shows AC is blower vacuum switch closedhttp://waterheatertimer.org/pdf/Hayward-error-codes.pdfHayward pool ...

vacuum switch error? is this an electrical problem or does it mean the switch went bad, what do i look for? This means that either the switch is bad, the wiring is corroded, the fan is not working, or

...Vacuum Switch, Control Board, and checked the tubing. I still get an AO error code. I took the blower fan off and it spins freely and appears to be in good shape. Any ideas on what I should do next? ...

...vacuum switch. Several items can cause an AO fault code. First thing to check would be is the blower on? If it isn't, then you would need to check to see if the blower is getting the proper voltage. ...

...vacuum or pressure switch. If the tube is broken the switch can't detect whether the blower is working. If you fix the tube then the system will continue its sequence and if it finds no more ...

...vacuum (pressure) switch or the switch is bad... Check the blower to make sure that air is coming out and that the volume seems to be normal...a plugged heat exchanger can cause the air to be ...

vacuum switch or relay problem. Any ideas on where to start would be appreciated. The manual is written for an expert which I am not - but I can open the panel and do some basic checks. Thanks On your

vacuum blower switch and the code is ao for error and the panel says service Thank you for posting your question here on Fixya.com. Power down the heater and jump the two wires from the switch and try