Hayward H Series Pool & Spa Heater 400k Btu Propane Gas Milivolt Ignition H400p1 "lo service" Questions

...LO service light is on and lo message. Pool filters are brand new lo usually indicates insufficient water flow and/or pressure switch malfunction.make sure filter is clean and pressure is in normal ...

...Lo Nox 400,000 Btu Natural Gas: service heater light on?... Service heater light on? Try the owners manual for these pool heaters. They have a detailed troubleshooting guide that should let you know ...

...letters LO on the sceen The service light is on LO indicates insufficient water pressure. either your pressure switch is out of adjustment,faulty or your filter system needs cleaning(or

LO service message LO is ignition lockout. The heater has tried to fire three times without success. It is usually the prressure switch but can also be the temp limit switch or the vent pressure ...

...service light lit! LO usually indicates low water pressure. Check the pressure in your filter. You may need to backwash. If the filter is to clogged then the water pressure in the heater is so low ...

...Service light is on and I get the "LO" error whether it's on pool or spa. Thanks for any assistance. 9 times out of ten this means that you have a faulty water pressure switch. It could also be a ...

error 181 the blower won't come on a and the burner won't fire Look on the panel of the heater, does it say service heater or service system? It sounds like you might have a dirty filter.

service light on Lo 60 message "LO" is simply informing you that the Heater is not sensing proper water flow through it! A Flow Problem. A special sensor, called a pressure switch is this source. But.

...Service LO open safety circuit, most likely the pressure switch "LO" is simply informing you that the Heater is not sensing proper water flow through it! A Flow Problem. A special sensor, called a ...