Service Manual
Table Of Contents
- Important Safety Information
- I. Construction and Water/Refrigeration Circuit Diagrams
- II. Sequence of Operation and Service Diagnosis
- III. Controls and Adjustments
- A. Control Board Layout
- B. LED Lights and Audible Alarm Safeties
- C. Settings and Adjustments
- 1. Default Dip Switch Settings
- 2. Harvest Timer (S4 dip switch 1 & 2)
- 3. Pump-Out Timer/Harvest Time During Pump-Out (S4 dip switch 3 & 4)
- 4. Pump-Out Frequency Control (S4 dip switch 5)
- 5. Harvest Pump Time (Harvest Assist) (S4 dip switch 6)
- 6. Harvest Pump Time (Harvest Assist)/Freeze-Time Correction (S4 dip switch 7)
- 7. Factory Use (S4 dip switch 8)
- 8. Freeze Timer (S4 dip switch 9 & 10)
- 9. Float Switch Selector (S5 dip switch 1)
- 10. Refill Counter (S5 dip switch 2 and 3)
- 11. Minimum Harvest Time (S5 dip switch 4)
- 12. Anti-Slush (S5 dip switch 5)
- IV. Refrigeration Circuit and Component Service Information
- V. Maintenance
- VI. Preparing the Appliance for Periods of Non-Use
- VII. Disposal
- VIII. Technical Information
31
No Ice Production - Possible Cause
13. Inlet Water Valve a) Screen or orice clogged.
b) Coil winding open.
c) Water valve open in freeze cycle.
14. Float Switch
See "II.F. Float Switch Check and
Cleaning"
a) Float does not move freely.
b) Defective.
15. Compressor a) Magnetic contactor contacts bad or coil winding open.
b) Start capacitor or run capacitor defective (1 phase SRK).
c) Start relay contacts bad or coil winding open
(1 phase SRK).
d) Internal protector open.
e) Compressor defective.
16. Hot Gas Valves (KMS & SRK) a) Closed in harvest cycle.
b) Open in freeze cycle.
1 7. Thermistor
See "II.G. Thermistor Check"
a) Loose, disconnected, or defective.
18. Pump Motor a) Motor winding open.
b) Bearing worn out or locked rotor.
c) Defective capacitor.
19. Thermostatic Expansion Valve a) Bulb loose.
b) Operating erratically.
20. Liquid Line Valves (KMS & SRK) a) Closed in freeze cycle.
b) Open in harvest cycle.
2 1. Fan Motors-Remote a) Magnetic contactor contacts bad or coil winding open.
b) Motor winding open.
c) Bearing worn out or locked rotor.
d) Defective capacitor.
22. Headmaster a) Defective.
23. Water System a) Water leaks causing short freeze time.