Hoshizaki MODULAR CUBELET SERENITY SERIES FS-1022MLH-C - Manual (Page 4)

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IV. Service Diagnosis ........................................................................................................... 26
A. Ice Production Check .................................................................................................. 26
B. Diagnostic Procedure .................................................................................................. 26
C. Control Board Check ................................................................................................... 30
D. Bin Control Check ....................................................................................................... 33
1. Infrared Sensor Check ........................................................................................... 33
2. Mechanical Backup Bin Control Check .................................................................. 34
E. Float Switch Check and Cleaning ............................................................................... 36
1. Float Switch Check ................................................................................................ 36
2. Float Switch Cleaning ............................................................................................ 36
F. Diagnostic Charts ........................................................................................................ 38
V. Removal and Replacement of Components .................................................................... 41
A. Service for Refrigerant Lines ....................................................................................... 41
1. Refrigerant Recovery ............................................................................................. 42
2. Brazing .................................................................................................................. 42
3. Evacuation and Recharge (R-404A) ...................................................................... 42
B. Important Notes for Component Replacement ............................................................ 43
1. Upper Bearing Wear Check ................................................................................... 45
2. Removal and Replacement of Cutter ..................................................................... 45
3. Removal and Replacement of Extruding Head ...................................................... 46
4. Removal and Replacement of Auger ..................................................................... 46
5. Removal and Replacement of Evaporator ............................................................. 47
6. Removal and Replacement of Mechanical Seal and Lower Housing ................... 48
7. Removal and Replacement of Gear Motor ............................................................. 49
VI. Cleaning and Maintenance ............................................................................................. 51
A. Cleaning and Sanitizing Instructions ........................................................................... 51
1. Cleaning Solution ................................................................................................... 51
2. Cleaning Procedure ............................................................................................... 51
3. Sanitizing Solution ................................................................................................. 53
4. Sanitizing Procedure - Initial .................................................................................. 53
5. Sanitizing Procedure - Final ................................................................................... 54
B. Maintenance ................................................................................................................ 55
C. Preparing the Icemaker for Long Storage ................................................................... 57