8 Part Number 80-1230-9 10/10Component Check ProceduresQF0400/QC0700/QF0800/QF2200/QF2300 153Main Fuse . . . . . . . . . . . . . . . . . . . . . . 153ICE/OFF/CLEAN Toggle Switch . . . . . 154Water Float Valve . . . . . . . . . . . . . . . . 155Water Level Check . . . . . . . . . . . . . . . 156Bin Level Probe Diagnostics . . . . . . . . 157Water Level Probes . . . . . . . . . . . . . . 161Motor Speed Sensor . . . . . . . . . . . . . 165Temperature Sensor . . . . . . . . . . . . . . 167QF2200 Only . . . . . . . . . . . . . . . . . . . . . . . 169Low Pressure Cut-Out Control . . . . . . 169QF2300 Only . . . . . . . . . . . . . . . . . . . . . . . 170Equalization Valve . . . . . . . . . . . . . . . 170Electronic Bin Thermostat . . . . . . . . . 171S Model Nugget/Flake . . . . . . . . . . . . . . . 176Main Fuse . . . . . . . . . . . . . . . . . . . . . . 176ICE/OFF/CLEAN Toggle Switch . . . . . 177Float Switch . . . . . . . . . . . . . . . . . . . . 178Ice Damper and Hall Effect Switches . 179SN012/SN020 Only . . . . . . . . . . . . . . . . . . 182Selector Switch . . . . . . . . . . . . . . . . . . 182Dispense Switch . . . . . . . . . . . . . . . . . 183Touchless Sensor . . . . . . . . . . . . . . . . 184All Models . . . . . . . . . . . . . . . . . . . . . . . . . 185High Pressure Cutout Control . . . . . . . 185Compressor Electrical Diagnostics . . . 187Diagnosing Start Components . . . . . . 189Self Contained Air Cooled Models . . . . . 191Fan Cycle Control . . . . . . . . . . . . . . . . 191Self Contained Water-cooled Models . . 192Water Regulating Valve . . . . . . . . . . . 192Headmaster Control Valve . . . . . . . . . . . 193Refrigerant Recovery/Evacuation . . . . . 195Normal Self-Contained Procedures . . 195Remote Air-Cooled Models . . . . . . . . 199System Contamination Clean-Up . . . . . . 202Determining Severity Of Contamination 202Cleanup Procedure . . . . . . . . . . . . . . 204Replacing Pressure Controls Without Re-moving Refrigerant Charge . . . . . . . . 207
