Manitowoc RF0244A Technician's Handbook page 83

Yes
Bin Thermostat
NO
Closed?
YES
Low Pressure
NO
Control Closed?
YES
High Pressure
NO
Control Closed?
YES
Ice Contacting
No
Thermostat?
Remove Ice - Allow
Yes
To Warm And Retest
Evaporator Cold? No
Allow Evaporator To
Yes
Warm And Retest
Resets? No
Resets Clean Condenser,
& Check Fan Motor
Trips Check Fan Cycle Control
Adjusting Closes
No Replace Thermostat
Thermostat?
Verify New Setting Cycles
Yes
Machine On/Off
Refrigerant Pressure
No
Below Cut-out?
Repair Refrigerant Leak,
Yes
Evacuate, Recharge
Refrigerant Pressure
No
Above Cut-out?
Clean Condenser,
Yes Check Fan Motor,
Check FCC & Refrigeration System
Replace LPCO
Replace HPCO