Hayward H200FDN Natural Gas Heater Ignition Failure (IF) Code. Trouble Free Pool
Hayward H200FDN Natural Gas Heater Ignition Failure (IF) Code. Trouble Free Pool . Sometimes, power supply inconsistency or a little power surge could cause your heater. Follow this hayward pool heater troubleshooting guide to fix the ao error code: CE error Hayward 250 H series pool heater, natural gas from www.troublefreepool.com Why is my hayward h400idl2 heater not working? Check the vacuum switch wiring, tubing, hose barb, and connections. Finally, turn on the heater system, and the if code problem should be solved.