Service Manual
Table Of Contents
- Important Safety Information
- I. Specifications
- II. General Information
- A. Construction
- B. Sequence of Operation
- C. Control Board
- 1. Control Board Layout
- 2. LED Lights and Audible Alarm Safeties
- 3. Controls and Adjustments
- a) Default Dip Switch Settings
- b) Harvest Timer (S4 dip switch 1 & 2)
- c) Pump-Out Timer (S4 dip switch 3 & 4)
- d) Pump-Out Frequency Control (S4 dip switch 5 & 6)
- e) Harvest Pump Timer (S4 dip switch 7)
- f) Factory Use (S4 dip switch 8)
- g) Freeze Timer (S4 dip switch 9 & 10)
- h) Float Switch Control (S5 dip switch 1)
- i) Refill Counter (S5 dip switch 2 through 5)
- D. Control Switch
- III. Technical Information
- IV. Service Diagnosis
- V. Replacement of Components
- VI. Cleaning and Maintenance
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IV. Service Diagnosis .......................................................................................................... 28
A. Diagnostic Procedure ................................................................................................. 28
B. Control Board Check ................................................................................................... 32
C. Bin Control Check and Cleaning ................................................................................. 33
1. Bin Control Check .................................................................................................. 33
2. Bin Control Cleaning .............................................................................................. 35
D. Float Switch Check and Cleaning ............................................................................... 36
1. Float Switch Check ................................................................................................ 36
2. Float Switch Cleaning ............................................................................................ 37
E. Thermistor Check ........................................................................................................ 38
F. Diagnostic Charts ........................................................................................................ 39
1. No Ice Production ................................................................................................... 39
2. Freeze-Up .............................................................................................................. 40
3. Low Ice Production ................................................................................................ 42
V. Replacement of Components .......................................................................................... 43
A. Service for Refrigerant Lines ....................................................................................... 43
1. Refrigerant Recovery ............................................................................................. 43
2. Brazing .................................................................................................................. 44
3. Evacuation and Recharge (R-404A) ...................................................................... 44
B. Important Notes for Component Replacement ............................................................ 46
VI. Cleaning and Maintenance ............................................................................................. 47
A. Cleaning and Sanitizing Instructions ........................................................................... 47
1. Cleaning Procedure ................................................................................................ 48
2. Sanitizing Procedure - Following Cleaning Procedure ........................................... 50
B. Maintenance ................................................................................................................ 51
C. Preparing the Icemaker for Long Storage ................................................................... 51