- Hayward h400fdn manual
Looking for: Hayward h400fdn manual.Your browser is out of date Click here to DOWNLOAD Universal H-Series | Heaters | In Ground Pool Heaters - Hayward Pool Products.Hayward Pools POOL AND SPA/HOT TUB HEATERS HFDP : User's Manual Gas fired pool heaters are similar to a home gas-fired furnace, with the main difference being that a pool heater heats water and a home furnace heats air. Jump wires on thermostat 4. Hayward h400fdn manual.Hayward H400FDN Manuals IF Ignition failure error If the control exceeds the maximum number of ignition retries or recycles the heater will shut down and go into lockout. CE Communication error If communication between the ignition board and the display board is not established within 3 s of power-up an error will be displayed. After communication is established, if it is lost for 30 s, the error will be displayed. The error code will be cleared upon a valid data exchange between boards LO Limit string open error If the limit string