Goodman Package Heat Pump Re: Contactor Won't Energize The thermostat is calling and 24VAC power is present on "Y" but the contactor will not engage. ► The Goodman GPH13 package heat pump breaks "Common" to the contactor through the High and Low Pressure Switches. ►If the pressure safeties...

Goodman Heat Pump: GPH13 Re: Defrost Problem, Outdoor Coil Frozen The Goodman GPH13 Heat Pump uses a Time & Temperature Defrost Board. ► There are two different defrost boards used on these models. PCBDM101 = Simple Time & Temperature Defrost Board PCBDM133S = Advanced Time...