Press the Mode button to place the heater in Standby Mode. Hold the Down Arrow and Mode buttons simultaneously for 3 seconds for Bypass operation. “bo” will be displayed on the screen. Measure the inlet Static Pressure (valve off) and Load Pressure (valve on / energized).
What does the code if mean on a Hayward pool heater?
Ignition Failure
How do you fix the LO code on a Hayward heater?
https://www.youtube.com/watch?v=TCBFc1DGGzk
Why is my Hayward pool heater not working?
Tripped circuit breaker/ no power supply check breaker and ensure that the unit is properly installed. Call HAYWARD service department for info. High / Low Pressure Switch Outside temperature too cold. -Make sure all valves are open and bypass valve is closed.
What does Bo mean on my Hayward heater?
bo Bypass Operation mode This is NOT an error code. If the user sees “bo” in the display, the TCM is in Bypass Operation mode. To exit “Bypass Operation” mode, select “STANDBY” mode, then press and hold both the “DOWN” and “MODE” buttons for 3 sec- onds (until the “bo” code is no longer displayed).
How do I get my Hayward heater out of Bo mode?
If heater is not being controlled by remote thermostat, change setting by using the MODE key to put the heater into STANDBY. Press and hold the DOWN key and then press and hold the MODE key. Hold down both keys for 3 seconds until the indication ''bO'' is removed from the display. LO Water pressure switch fault 1.
How do you put a Hayward heater in Bo mode?
Press the Mode button to place the heater in Standby Mode. Hold the Down Arrow and Mode buttons simultaneously for 3 seconds for Bypass operation. “bo” will be displayed on the screen. Measure the inlet Static Pressure (valve off) and Load Pressure (valve on / energized).