Part Number STH098 06/19 13
Component Check Procedures
Main Fuse ............................131
Bin Switch
UDP0080/UDP0140/UDP0240/UDP0310 ...132
Touch Pad
UDP0140/UDP0240/UDP0310 ............134
Float Switch
UDP0140/UDP0240/UDP0310 ............136
Water Trough Thermistor
UDP0140/UDP0240/UDP0310 ............138
ON/OFF/WASH Toggle Switch
UDP0080 .............................140
Fan Cycle Control
UDP0080/UDP0140/UDP0240/UDP0310 ...141
High Pressure Cutout (HPCO) Control
UDP0080 /UDP0140/UDP0240/UDP0310...142
Compressor Electrical Diagnostics .........143
Filter-Driers ...............................145
Flammable Refrigerant Procedures
Servicing Requirements .....................146
Refrigerant Purging Requirements ........147
Refrigerant Purging Procedure............148
Brazing Procedure ......................148
Pressure Testing........................149
Evacuation ............................149
Refrigerant Charging........................150
System Contamination Cleanup ..............152
Determining Severity of Contamination ....152
Mild System Contamination Cleanup Procedure
.....................................154
Severe System Contamination Cleanup
Procedure.............................155
Total System Refrigerant Charge ..............156