Hayward HeatPro® Heat Pro Owners Operations & Parts Manual - Page 17

Page 17 of 22 Troubleshooting HEATPRO HEAT PUMP HP13023772 Rev: D Circuit Breakers: If it is suspected that a circuit breaker is tripped, turn the breaker to the "Off" position and then back to the "On" position. NOTICE: Service to be conducted ONLY by an EPA Certified Service Technician. General Troubleshooting Guide for Hayward HeatPro Heat Pump Problem Unit is not operating. Possible Cause No power to unit Breaker is tripped Thermostat not turned up high enough 5 minute delay timer still running Low water flow Outside temperature too low Possible Solution(s) Make sure power is on. Check the breaker / see note above Turn thermostat up until unit comes on Be sure the 5 minute delay has passed Make sure filter, strainer basket and skimmer basket are clean Make sure filter pump is on Unhook cleaning devices (skimmers, crawlers, etc.) Check outside ambient temperature or wait for warmer temperatures to operate. (refer to Operating section) Fan not functioning Call Pool Service Provider. Heat pump is running but is not heating "Run" light does not come on. Check output air temperature to input air temperature. Differential should be between 5 and 12 ºF System Component failure. Low ambient air temperature. Allow outside air temperature to exceed 60ºF, and then re-check. Call Pool Service Provider. Heat pump runs continually Thermostat set too high Electrical component failure Turn thermostat down Turn off the filter pump. If the unit is still running after 2 minutes, turn off the power to the unit and call Pool Service Provider. Bad valve or improper water flow Heat pump is cycling (on / off too quickly) Low refrigerant, low ambient temp, or high humidity with low ambient temp Check valve settings and ensure water flow is sufficient (is the filter pump running continually?) If heat pump continues to cycle, turn unit off to prevent compressor damage. Check evaporator coil for severe frost. Turn unit off to prevent compressor damage. Allow the evaporator to thaw and restart. If issue continues, call a pool service provider. If heat pump continues to cycle, turn unit off to prevent compressor damage- and call Pool Service Provider. Water is coming from bottom of unit Condensation Possible water leak This is normal and there is no reason to be concerned Turn the unit off for several hours, but leave the filter pump running continuously. If water discharge ceases, then it is only condensation. Otherwise there is a possible leak. USE ONLY HAYWARD GENUINE REPLACEMENT PARTS Pomona, CA Clemmons, NC Nashville, TN Tel: 908.351.5400 www.haywardpool.com