4
IV. Service Diagnosis ........................................................................................................... 23
A. 10-Minute KM Diagnostic Procedure .......................................................................... 23
B. Diagnostic Charts ........................................................................................................ 25
1. No Ice Production ................................................................................................... 25
2. Evaporator is Frozen Up ........................................................................................ 28
3. Low Ice Production ................................................................................................ 29
4. Abnormal Ice ......................................................................................................... 30
5. Other ...................................................................................................................... 30
V. Removal and Replacement of Components .................................................................... 32
A. Service for Refrigerant Lines ....................................................................................... 32
1. Refrigerant Recovery ............................................................................................. 32
2. Brazing .................................................................................................................. 32
3. Evacuation and Recharge (R-404A) ...................................................................... 33
B. Removal and Replacement of Compressor ................................................................. 34
C. Removal and Replacement of Expansion Valve .......................................................... 35
D. Removal and Replacement of Hot Gas Valve ............................................................ 36
E. Removal and Replacement of Evaporator ................................................................... 37
F. Removal and Replacement of Thermistor .................................................................... 38
G. Removal and Replacement of Fan Motor ................................................................... 39
H. Removal and Replacement of Inlet Water Valve ......................................................... 39
I. Removal and Replacement of Pump Motor .................................................................. 40
VI. Cleaning and Maintenance ............................................................................................ 41
A. Cleaning and Sanitizing Instructions ........................................................................... 41
1. Cleaning Procedure ................................................................................................ 42
2. Sanitizing Procedure - Following Cleaning Procedure ........................................... 43
B. Maintenance ................................................................................................................ 44
C. Preparing the Icemaker for Long Storage ................................................................... 44
