Performed fall maintenance on heat pump package unit. Tstat properly calls for heat cycle. Replaced air filter. Checked electrical connections. Dual capacitor tests within spec. Compressor rla 19/22. Outdoor fan motor fla .8/.9A. Temp rise at 28 with heat strips. Cleaned condenser coil. Contactor okay no arcing or pitting. Return is undersized for size of equipment, duct poor condition. Condenser fan motor has oil loss. Found heat strip sequencers with burned wires,one sequencers non op. Suggested replacing entire heat strip kit. Routine cleaning with club program