Part Number 000014797 Rev02 05/18 11
Troubleshooting
Troubleshooting U0140/UF0140/U0190/
UF0190/U240/UF240/U310/UF310 ........... 89
Problem Checklist .........................89
Control Board Test Mode .................. 92
Operating Ice Machine with Bin and Touch Pad
Removed ................................. 92
Diagnosing an Ice Machine that Will Not Run..
........................................... 93
Ice Machine Does Not Cycle Into Harvest when
Water Loses Contact with the Harvest Float
Switch .................................... 94
Ice Machine Cycles Into Harvest Before Water
Loses Contact with the Harvest Float Switch 96
Ice Production Check ......................98
Installation/Visual Inspection Checklist....100
Water System Checklist ...................101
Ice Formation Pattern.....................102
Safety Limit Feature ......................104
Analyzing Discharge Pressure ............111
Analyzing Suction Pressure ...............113
Harvest Valve.............................117
Comparing Evaporator Inlet/Outlet
Temperatures ............................121
Discharge Line Temperature Analysis......122
Refrigeration Component Diagnostics ....124
Refrigeration Analysis Chart ..............126