Hayward Troubleshooting Guide. . Troubleshooting Guide - Heaters. VS Omni Pumps With. SMART POOL CONTROL. Learn More ›. Sign Up For. POOLSIDE Hayward Troubleshooting Guide. . [arrow] Heaters. [arrow] Cleaners. [arrow] Salt & Swim Troubleshooting Assistant. VS Omni Pumps With. SMART POOL Feb 24, 2015 - HAYWARD MILLIVOLT POOL HEATER TROUBLESHOOTING GUIDE. Troubleshooting chart for Hayward Universal H-Series millivolt pool . Hayward pool heat pump trouble shooting guide. Download and check owners manual to ensure that pool heater is installed correctly. To use this guide, determine the model number of the heat pump and the nature . Refer to page one to find the appropriate page for the problem and follow. May 21, 2018 - Hayward Pool Heater Error Codes Pool Heater Service Light Lo Pool Heater Universal H Series Low Pool Heater Natural Gas Pool Heater .