Why does my pool heater keep saying Lo?
Generally, LO refers to the pressure switch, water pressure. This can be caused by either the diaphram in the flow switch has failed or the filters is clogged and/or pump is unable to make enough pressure to make the switch.
Why is pool heater not working?
This could be as a result of low gas pressure, inadequate air supply, or improper venting. Ensure that the gas is turned on, and for propane, make sure the tank has fuel. Also, check for water run-off from the roof or sprinklers that may be flooding the pool heater.
How to troubleshoot a Hayward pool heater problem?
CODE DIAGNOSIS POSSIBLE SOLUTIONS LO VERIFY PUMP IS RUNNING TURN PUMP ON LO CHECK SWITCH WIRING & CONNECTIONS INPSECT WIRES FOR KINKS OR RODENT DAMAGE LO MEASURE SWITCH CONTINUITY REMOVE WIRES AND MEASURE OHMS WITH PUMP LO CHECK WATER FLOW CLEAN FILTER, PUMP BASKETS, IMPELLER FOR
What is the Lo code on a Hayward pool heater?
LO Code Details – When a Hayward H-Series pool heater is not firing and displaying LO as seen in the video, the heater is functioning properly as it should. It is not faulty in and of itself and it is doing exactly what it should be doing in this operational state.
Is the Hayward pool heater made of gas?
The components of a Hayward pool heater are also very similar to gas heaters made by other manufacturers. To troubleshoot a gas-fired appliance, you have to think like a “combustioneer”.
Is there a remote device for the Hayward pool heat pump?
RHD Remote device is controlling the unit. If you do not have a remote device connected, call HAYWARD for service info.
CODE DIAGNOSIS POSSIBLE SOLUTIONS LO VERIFY PUMP IS RUNNING TURN PUMP ON LO CHECK SWITCH WIRING & CONNECTIONS INPSECT WIRES FOR KINKS OR RODENT DAMAGE LO MEASURE SWITCH CONTINUITY REMOVE WIRES AND MEASURE OHMS WITH PUMP LO CHECK WATER FLOW CLEAN FILTER, PUMP BASKETS, IMPELLER FOR
What are the different models of Hayward pool heaters?
Troubleshooting chart for Hayward Universal H-Series millivolt pool heaters, with standing pilot, models H150, H200, H250, H300, H350, H400 Troubleshooting chart for Hayward Universal H-Series electronic pool heaters with a digital display, models H150, H200, H250, H300, H350, H400 INPSECT WIRES FOR KINKS OR RODENT DAMAGE.
How to start / light your pool heater for the season?
How to Start/Light Your Pool Heater for the Season by Mirage Pools and Element Gas – YouTube Mirage Pool & Spa with Element Heating and Gas show you how to start / light your Hayward Universal H-Series swimming pool heater for the beginning of the se…
RHD Remote device is controlling the unit. If you do not have a remote device connected, call HAYWARD for service info.
