4
IV. Service Diagnosis .......................................................................................................... 24
A. Diagnostic Procedure ................................................................................................. 24
B. Control Board Check ................................................................................................... 27
C. Bin Control Check and Cleaning ................................................................................. 28
1. Bin Control Check .................................................................................................. 28
2. Bin Control Cleaning .............................................................................................. 30
D. Float Switch Check and Cleaning ............................................................................... 31
1. Float Switch Check ................................................................................................ 31
2. Float Switch Cleaning ............................................................................................ 32
E. Thermistor Check ........................................................................................................ 33
F. Diagnostic Charts ........................................................................................................ 34
1. No Ice Production ................................................................................................... 34
2. Freeze-Up .............................................................................................................. 35
3. Low Ice Production ................................................................................................ 37
V. Replacement of Components .......................................................................................... 38
A. Service for Refrigerant Lines ....................................................................................... 38
1. Refrigerant Recovery ............................................................................................. 38
2. Brazing .................................................................................................................. 39
3. Evacuation and Recharge (R-404A) ...................................................................... 39
B. Important Notes for Component Replacement ............................................................ 41
VI. Cleaning and Maintenance ............................................................................................. 42
A. Cleaning and Sanitizing Instructions ........................................................................... 42
1. Cleaning Procedure ................................................................................................ 43
2. Sanitizing Procedure - Following Cleaning Procedure ........................................... 45
B. Maintenance ................................................................................................................ 46
C. Preparing the Icemaker for Long Storage ................................................................... 46