Questions & Answers for: test hot water heater blower

heater and just recently installed now...what keeps popping up on the screen is an AO error saying something about the blower prover. anyone can direct me to what that is? on the back of the fan there

heater to work again, with out spending alot of money again. This error is produced when the blower prover switch does not close after the blower starts, the control will stop the ignition and go into

...HEATER The AO mindicates an open prover switch ,, here from Hawward site . If the blower prover switch opens unexpectedly during operation the control will shut down and attempt to re-light. If the ...

...blower prover switch does not close after the blower starts, the control will stop the ignition and go into lockout. Automatic reset is immediate after the blower prover switch closes. If you keep ...

...hot water at any sinks. The fan is not operating -- when this conditon exists, the unit will not fire up. Here's a link to the manual. The unit needs servicing. ...

blower prover switch does notclose after the blower starts the control will stop the ignition trial go intolockout. The blower will continue to run. Automatic reset is immediate afterthe switch closes

...heater has been off all summer and upon trying to ignite it , the digital display reads 'AC" indicating that the prover switch is closed when expected open error....what do i do? Thank ...

hot water heater The hot watr heater quit working. When you turn it on the red light flashes for a while and the powervent motor makes a quiet buzzing but does not come on. After a while the red light

water-heater.html#intellivent Plug blower in separately and see if blower motor functions. This will eliminate blower as suspect. Have plumber check wiring, test and replace blower temperature switch,

...blower prover switch opens during the postpurge cycle (heater is not fir- ing) the control will display the error code. The post-purge cycle will be com- pleted once the blower prover switch close ...